diff --git a/colander/locale/colander.pot b/colander/locale/colander.pot
index c44730d..7ff6419 100644
--- a/colander/locale/colander.pot
+++ b/colander/locale/colander.pot
@@ -3,7 +3,6 @@
 # This file is distributed under the same license as the colander project.
 # FIRST AUTHOR <EMAIL@ADDRESS>, 2013.
 #
-#, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: colander 1.0a3\n"
@@ -136,12 +135,3 @@ msgstr ""
 #: colander/__init__.py:1878 colander/__init__.py:1880
 msgid "Required"
 msgstr ""
-
-#: colander/tests/test_colander.py:259 colander/tests/test_colander.py:266
-msgid "fail ${val}"
-msgstr ""
-
-#: colander/tests/test_colander.py:433
-msgid "${val}: ${choices}"
-msgstr ""
-
diff --git a/colander/locale/cs/LC_MESSAGES/colander.po b/colander/locale/cs/LC_MESSAGES/colander.po
index 5c75051..cdae106 100644
--- a/colander/locale/cs/LC_MESSAGES/colander.po
+++ b/colander/locale/cs/LC_MESSAGES/colander.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.8\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2010-09-10 08:00-0600\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2011-10-15 17:25+0300\n"
 "Last-Translator: Petr Viktorin <encukou@gmail.com>\n"
 "Language-Team: Petr Viktorin <encukou@gmail.com>\n"
@@ -16,103 +16,131 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.6\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:199
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Neplatná hodnota"
 
-#: colander/__init__.py:232
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "Text neodpovídá očekávané struktuře"
 
-#: colander/__init__.py:247
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "Neplatná e-mailová adresa"
 
-#: colander/__init__.py:276
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} je menší než minimální hodnota, ${min}"
 
-#: colander/__init__.py:277
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} je větší než maximální hodnota, ${max}"
 
-#: colander/__init__.py:309
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "Kratší než minimální délka, ${min}"
 
-#: colander/__init__.py:315
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "Delší než maximální délka, ${max}"
 
-#: colander/__init__.py:328
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" není z ${choices}"
 
-#: colander/__init__.py:398
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" není typu zobrazení: ${err}"
 
-#: colander/__init__.py:422
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Neznámé klíče v zobrazení: \"${val}\""
 
-#: colander/__init__.py:477 colander/__init__.py:563
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" není sekvence"
 
-#: colander/__init__.py:485
+#: colander/__init__.py:664
 msgid ""
 "\"${val}\" has an incorrect number of elements (expected ${exp}, was "
 "${was})"
 msgstr "\"${val}\" má špatný počet položek (${was} místo ${exp})"
 
-#: colander/__init__.py:725
-msgid "\"${val} cannot be serialized: ${err}"
-msgstr "\"${val}\" nemůže být serializováno: ${err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} není sekvence"
 
-#: colander/__init__.py:738
-msgid "${val} is not a string: %{err}"
-msgstr "${val} není řetězec: %{err}"
+#: colander/__init__.py:1075
+msgid "${val} cannot be serialized: ${err}"
+msgstr "${val} nemůže být serializováno: ${err}"
 
-#: colander/__init__.py:759 colander/__init__.py:770
+#: colander/__init__.py:1093
+msgid "${val} is not a string: ${err}"
+msgstr "${val} není řetězec: ${err}"
+
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" není číslo"
 
-#: colander/__init__.py:764 colander/__init__.py:1263
-msgid "Required"
-msgstr "Povinné pole"
-
-#: colander/__init__.py:844
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} není řetězec"
 
-#: colander/__init__.py:904 colander/__init__.py:921 colander/__init__.py:931
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "relativní jméno \"${val}\" je neplatné bez Pythonového balíčku"
 
-#: colander/__init__.py:961
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" nemá __name__"
 
-#: colander/__init__.py:967
+#: colander/__init__.py:1405
 msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" není řetězec"
 
-#: colander/__init__.py:976
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr "Jméno \"${name}\" nemohlo být importováno"
 
-#: colander/__init__.py:1024 colander/__init__.py:1101
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "Neplatné datum"
 
-#: colander/__init__.py:1040
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" není objekt s časem a datem"
 
-#: colander/__init__.py:1112
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" není objekt s datem"
 
+#: colander/__init__.py:1610
+#, fuzzy
+#| msgid "Invalid date"
+msgid "Invalid time"
+msgstr "Neplatné datum"
+
+#: colander/__init__.py:1621
+#, fuzzy
+#| msgid "\"${val}\" is not a datetime object"
+msgid "\"${val}\" is not a time object"
+msgstr "\"${val}\" není objekt s časem a datem"
+
+#: colander/__init__.py:1878 colander/__init__.py:1880
+msgid "Required"
+msgstr "Povinné pole"
diff --git a/colander/locale/de_DE/LC_MESSAGES/colander.po b/colander/locale/de_DE/LC_MESSAGES/colander.po
index 850a175..b58eeca 100644
--- a/colander/locale/de_DE/LC_MESSAGES/colander.po
+++ b/colander/locale/de_DE/LC_MESSAGES/colander.po
@@ -1,4 +1,4 @@
-# Translations template for colander.
+# German (Germany) translations for colander.
 # Copyright (C) 2010 ORGANIZATION
 # This file is distributed under the same license as the colander project.
 # FIRST AUTHOR <EMAIL@ADDRESS>, 2010.
@@ -7,123 +7,150 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.5.2\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2010-04-25 21:09-0400\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2010-10-01 09:52+0100\n"
 "Last-Translator: Charlie Clark <charlie@begeistert.org>\n"
 "Language-Team: repoze developers <repoze-dev@lists.repoze.org>\n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.5\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:177
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Ungültiger Wert"
 
-#: colander/__init__.py:202
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "Die Zeichenkette entspricht nicht dem erwarteten Muster"
 
-#: colander/__init__.py:217
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "Ungültige E-Mail-Adresse"
 
-#: colander/__init__.py:246
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} ist kleiner als der erlaubter Mindestwert (${min})"
 
-#: colander/__init__.py:247
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} ist größer als der erlaubter Höchstwert (${max})"
 
-#: colander/__init__.py:279
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "Kürzer als erlaubt, die Mindestlänge beträgt ${min}"
 
-#: colander/__init__.py:285
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "Länger als erlaubt, die Maximallänge beträgt ${max}"
 
-#: colander/__init__.py:298
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" ist nicht in der Auswahl ${choices}"
 
-#: colander/__init__.py:367
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" ist kein Mapping: ${err}"
 
-#: colander/__init__.py:394
-msgid "\"${val}\" is required but missing"
-msgstr "\"${val}\" ist eine Pflichtangabe"
-
-#: colander/__init__.py:411
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Unbekannte Schlüssel im Mapping: ${val}"
 
-#: colander/__init__.py:461
-#: colander/__init__.py:539
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" ist nicht iterierbar"
 
-#: colander/__init__.py:469
-msgid "\"${val}\" has an incorrect number of elements (expected ${exp}, was ${was})"
+#: colander/__init__.py:664
+msgid ""
+"\"${val}\" has an incorrect number of elements (expected ${exp}, was "
+"${was})"
 msgstr "Ungültige Anzahl von Elementen (${exp} erwartet, ${was} gegeben)"
 
-#: colander/__init__.py:644
-msgid "${val} is not a string: %{err}"
-msgstr "${val} ist keine Zeichenkette: %{err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} ist nicht iterierbar"
 
-#: colander/__init__.py:648
-#: colander/__init__.py:680
-#: colander/__init__.py:710
-#: colander/__init__.py:751
-#: colander/__init__.py:996
-msgid "Required"
-msgstr "Pflichtangabe"
-
-#: colander/__init__.py:662
-msgid "\"${val} cannot be serialized to str: ${err}"
+#: colander/__init__.py:1075
+#, fuzzy
+#| msgid "\"${val} cannot be serialized to str: ${err}"
+msgid "${val} cannot be serialized: ${err}"
 msgstr "${val} kann nicht in eine Zeichenkette umgewandelt werden: ${err}"
 
-#: colander/__init__.py:683
-#: colander/__init__.py:692
-#: colander/__init__.py:713
-#: colander/__init__.py:722
+#: colander/__init__.py:1093
+msgid "${val} is not a string: ${err}"
+msgstr "${val} ist keine Zeichenkette: ${err}"
+
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" ist keine Zahl"
 
-#: colander/__init__.py:747
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} ist keine Zeichenkette"
 
-#: colander/__init__.py:808
-#: colander/__init__.py:825
-#: colander/__init__.py:835
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "relativer Name \"${val}\" ist ohne Paket nicht auflösbar"
 
-#: colander/__init__.py:860
-msgid "\"${val}\" is not a string"
-msgstr "${val} ist keine Zeichenkette"
-
-#: colander/__init__.py:868
-msgid "The dotted name \"${name}\" cannot be imported"
-msgstr "Der Dotted-Name \"${name}\" kann nicht importiert werden"
-
-#: colander/__init__.py:876
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" hat kein __name__ Attribut"
 
-#: colander/__init__.py:918
-#: colander/__init__.py:982
-msgid "${val} cannot be parsed as an iso8601 date: ${err}"
-msgstr "${val} ist keine gültige Zeitangabe nach ISO8601: ${err}"
+#: colander/__init__.py:1405
+msgid "\"${val}\" is not a string"
+msgstr "${val} ist keine Zeichenkette"
 
-#: colander/__init__.py:929
+#: colander/__init__.py:1414
+msgid "The dotted name \"${name}\" cannot be imported"
+msgstr "Der Dotted-Name \"${name}\" kann nicht importiert werden"
+
+#: colander/__init__.py:1462 colander/__init__.py:1538
+#, fuzzy
+#| msgid "Invalid value"
+msgid "Invalid date"
+msgstr "Ungültiger Wert"
+
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" ist kein Datetime-Object"
 
-#: colander/__init__.py:988
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" ist kein Date-Object"
 
+#: colander/__init__.py:1610
+#, fuzzy
+#| msgid "Invalid value"
+msgid "Invalid time"
+msgstr "Ungültiger Wert"
+
+#: colander/__init__.py:1621
+#, fuzzy
+#| msgid "\"${val}\" is not a datetime object"
+msgid "\"${val}\" is not a time object"
+msgstr "\"${val}\" ist kein Datetime-Object"
+
+#: colander/__init__.py:1878 colander/__init__.py:1880
+msgid "Required"
+msgstr "Pflichtangabe"
+
+#~ msgid "\"${val}\" is required but missing"
+#~ msgstr "\"${val}\" ist eine Pflichtangabe"
+
+#~ msgid "${val} cannot be parsed as an iso8601 date: ${err}"
+#~ msgstr "${val} ist keine gültige Zeitangabe nach ISO8601: ${err}"
+
diff --git a/colander/locale/es/LC_MESSAGES/colander.po b/colander/locale/es/LC_MESSAGES/colander.po
index 137441e..6dc6d58 100644
--- a/colander/locale/es/LC_MESSAGES/colander.po
+++ b/colander/locale/es/LC_MESSAGES/colander.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.5.2\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2010-04-25 21:09+0400\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2010-09-10 08:03-0600\n"
 "Last-Translator: Douglas Cerna <douglascerna@yahoo.com>\n"
 "Language-Team: repoze developers <repoze-dev@lists.repoze.org>\n"
@@ -15,114 +15,140 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.5\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:199
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Valor inválido"
 
-#: colander/__init__.py:232
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "La cadena no coincide con el patrón esperado"
 
-#: colander/__init__.py:247
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "Dirección de correo electrónico inválida"
 
-#: colander/__init__.py:276
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} es menor que el valor mínimo ${min}"
 
-#: colander/__init__.py:277
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} es mayor que el valor máximo ${max}"
 
-#: colander/__init__.py:309
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "Más corto que la longitud mínima ${min}"
 
-#: colander/__init__.py:315
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "Más largo que la longitud máxima ${max}"
 
-#: colander/__init__.py:328
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" no está en ${choices}"
 
-#: colander/__init__.py:398
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" no es un tipo de mapeo: ${err}"
 
-#: colander/__init__.py:422
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Claves no reconocidas en el mapeo: \"${val}\""
 
-#: colander/__init__.py:477
-#: colander/__init__.py:563
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" no es iterable"
 
-#: colander/__init__.py:485
-msgid "\"${val}\" has an incorrect number of elements (expected ${exp}, was ${was})"
-msgstr "\"${val}\" tiene un número incorrecto de elementos (esperados ${exp}, obtenidos ${was})"
+#: colander/__init__.py:664
+msgid ""
+"\"${val}\" has an incorrect number of elements (expected ${exp}, was "
+"${was})"
+msgstr ""
+"\"${val}\" tiene un número incorrecto de elementos (esperados ${exp}, "
+"obtenidos ${was})"
 
-#: colander/__init__.py:725
-#| msgid "\"${val} cannot be serialized to str: ${err}"
-msgid "\"${val} cannot be serialized: ${err}"
-msgstr "\"${val} no puede serializarse: ${err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} no es iterable"
 
-#: colander/__init__.py:738
-msgid "${val} is not a string: %{err}"
-msgstr "${val} no es una cadena: %{err}"
+#: colander/__init__.py:1075
+msgid "${val} cannot be serialized: ${err}"
+msgstr "${val} no puede serializarse: ${err}"
 
-#: colander/__init__.py:759
-#: colander/__init__.py:770
+#: colander/__init__.py:1093
+msgid "${val} is not a string: ${err}"
+msgstr "${val} no es una cadena: ${err}"
+
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" no es un número"
 
-#: colander/__init__.py:764
-#: colander/__init__.py:1263
-msgid "Required"
-msgstr "Requerido"
-
-#: colander/__init__.py:844
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} no es una cadena"
 
-#: colander/__init__.py:904
-#: colander/__init__.py:921
-#: colander/__init__.py:931
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "nombre relativo \"${val}\" no se puede resolver sin paquete"
 
-#: colander/__init__.py:961
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" no tiene __name__"
 
-#: colander/__init__.py:967
+#: colander/__init__.py:1405
 msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" no es una cadena"
 
-#: colander/__init__.py:976
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr "El nombre con puntos \"${name}\" no pudo importarse"
 
-#: colander/__init__.py:1024
-#: colander/__init__.py:1101
-#| msgid "Invalid value"
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "Fecha inválida"
 
-#: colander/__init__.py:1040
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" no es un objeto datetime"
 
-#: colander/__init__.py:1112
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" no es un objeto date"
 
+#: colander/__init__.py:1610
+#, fuzzy
+#| msgid "Invalid date"
+msgid "Invalid time"
+msgstr "Fecha inválida"
+
+#: colander/__init__.py:1621
+#, fuzzy
+#| msgid "\"${val}\" is not a datetime object"
+msgid "\"${val}\" is not a time object"
+msgstr "\"${val}\" no es un objeto datetime"
+
+#: colander/__init__.py:1878 colander/__init__.py:1880
+msgid "Required"
+msgstr "Requerido"
+
 #~ msgid "\"${val}\" is required but missing"
 #~ msgstr "\"${val}\" es requerido pero falta"
+
 #~ msgid "${val} cannot be parsed as an iso8601 date: ${err}"
 #~ msgstr "${val} no puede parsearse como una fecha iso8601: ${err}"
 
diff --git a/colander/locale/fr/LC_MESSAGES/colander.po b/colander/locale/fr/LC_MESSAGES/colander.po
index d03f880..e46c8c9 100644
--- a/colander/locale/fr/LC_MESSAGES/colander.po
+++ b/colander/locale/fr/LC_MESSAGES/colander.po
@@ -1,4 +1,4 @@
-# Translations template for colander.
+# French translations for colander.
 # Copyright (C) 2010 ORGANIZATION
 # This file is distributed under the same license as the colander project.
 # FIRST AUTHOR <EMAIL@ADDRESS>, 2010.
@@ -7,114 +7,143 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.8\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2010-09-10 08:00-0600\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2011-10-02 21:38+0100\n"
 "Last-Translator: Bard Stéphane <stephane.bard@gmail.com>\n"
-"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language-Team: fr <LL@li.org>\n"
+"Plural-Forms: nplurals=2; plural=(n > 1)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.5\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:199
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Valeur incorrecte"
 
-#: colander/__init__.py:232
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "La chaîne de caractères n'a pas vérifié le modèle attendu"
 
-#: colander/__init__.py:247
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "Invalide adresse email"
 
-#: colander/__init__.py:276
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} est plus petit que la valeur minimale autorisée (${min})"
 
-#: colander/__init__.py:277
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} est plus grand que la valeur maximum autorisée (${max})"
 
-#: colander/__init__.py:309
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "La longueur est inférieur à la taille minimum autorisée (${min})"
 
-#: colander/__init__.py:315
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "La longueur dépasse la taille maximum autorisée (${max})"
 
-#: colander/__init__.py:328
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" ne fait pas partie des choix suivants ${choices}"
 
-#: colander/__init__.py:398
-msgid "\"${val}\" is not a mapping type: ${err}"
-msgstr "\"${val}\" n'est pas du type table de correspondance (dictionnaire par exemple): ${err}"
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
 
-#: colander/__init__.py:422
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
+msgid "\"${val}\" is not a mapping type: ${err}"
+msgstr ""
+"\"${val}\" n'est pas du type table de correspondance (dictionnaire par "
+"exemple): ${err}"
+
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Clé inconnue dans dans la table de correspondance: \"${val}\""
 
-#: colander/__init__.py:477
-#: colander/__init__.py:563
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" n'est pas itérable"
 
-#: colander/__init__.py:485
-msgid "\"${val}\" has an incorrect number of elements (expected ${exp}, was ${was})"
-msgstr "\"${val}\" possède un nombre incorrecte d'éléments (attendu ${exp}, trouvé ${was})"
+#: colander/__init__.py:664
+msgid ""
+"\"${val}\" has an incorrect number of elements (expected ${exp}, was "
+"${was})"
+msgstr ""
+"\"${val}\" possède un nombre incorrecte d'éléments (attendu ${exp}, "
+"trouvé ${was})"
 
-#: colander/__init__.py:725
-msgid "\"${val} cannot be serialized: ${err}"
-msgstr "\"${val} ne peut être sérialisé: ${err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} n'est pas itérable"
 
-#: colander/__init__.py:738
-msgid "${val} is not a string: %{err}"
-msgstr "${val} n'est pas une chaîne de caractères: %{err}"
+#: colander/__init__.py:1075
+msgid "${val} cannot be serialized: ${err}"
+msgstr "${val} ne peut être sérialisé: ${err}"
 
-#: colander/__init__.py:759
-#: colander/__init__.py:770
+#: colander/__init__.py:1093
+msgid "${val} is not a string: ${err}"
+msgstr "${val} n'est pas une chaîne de caractères: ${err}"
+
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" n'est pas un nombre"
 
-#: colander/__init__.py:764
-#: colander/__init__.py:1263
-msgid "Required"
-msgstr "Requis"
-
-#: colander/__init__.py:844
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} n'est pas une chaîne de carctères"
 
-#: colander/__init__.py:904
-#: colander/__init__.py:921
-#: colander/__init__.py:931
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "le nom relatif \"${val}\" ne peut-être résolu sans son module intégré"
 
-#: colander/__init__.py:961
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" ne possède pas l'attribut __name__"
 
-#: colander/__init__.py:967
+#: colander/__init__.py:1405
 msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" n'est pas une chaîne de caractères"
 
-#: colander/__init__.py:976
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr "Le symbole python  \"${name}\" n'a pu être importé"
 
-#: colander/__init__.py:1024
-#: colander/__init__.py:1101
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "Date invalide"
 
-#: colander/__init__.py:1040
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" n'est pas un objet datetime"
 
-#: colander/__init__.py:1112
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" n'est pas un objet date"
 
+#: colander/__init__.py:1610
+#, fuzzy
+#| msgid "Invalid date"
+msgid "Invalid time"
+msgstr "Date invalide"
+
+#: colander/__init__.py:1621
+#, fuzzy
+#| msgid "\"${val}\" is not a datetime object"
+msgid "\"${val}\" is not a time object"
+msgstr "\"${val}\" n'est pas un objet datetime"
+
+#: colander/__init__.py:1878 colander/__init__.py:1880
+msgid "Required"
+msgstr "Requis"
diff --git a/colander/locale/it/LC_MESSAGES/colander.po b/colander/locale/it/LC_MESSAGES/colander.po
index b32b560..f86716e 100644
--- a/colander/locale/it/LC_MESSAGES/colander.po
+++ b/colander/locale/it/LC_MESSAGES/colander.po
@@ -11,11 +11,11 @@ msgstr ""
 "PO-Revision-Date: 2013-05-19 14:57+0100\n"
 "Last-Translator: Lorenzo M. Catucci <lorenzo@sancho.ccd.uniroma2.it>\n"
 "Language-Team: it <LL@li.org>\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.6\n"
+"Generated-By: Babel 1.3\n"
 
 #: colander/__init__.py:233
 msgid "Invalid value"
@@ -71,7 +71,8 @@ msgstr "\"${val}\" non è iterabile"
 
 #: colander/__init__.py:664
 msgid ""
-"\"${val}\" has an incorrect number of elements (expected ${exp}, was ${was})"
+"\"${val}\" has an incorrect number of elements (expected ${exp}, was "
+"${was})"
 msgstr "\"${val}\" contiene ${was} elementi anziché gli attesi ${exp}"
 
 #: colander/__init__.py:803
@@ -96,14 +97,12 @@ msgstr "${val} non è una stringa"
 
 #: colander/__init__.py:1279
 msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
-msgstr ""
-"\"${val}\" non è contenuto né in ${false_choices} né in ${true_choices}"
+msgstr "\"${val}\" non è contenuto né in ${false_choices} né in ${true_choices}"
 
 #: colander/__init__.py:1339 colander/__init__.py:1356
 #: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
-msgstr ""
-"impossibile risolvere il nome relativo \"${val}\" in assenza di un package"
+msgstr "impossibile risolvere il nome relativo \"${val}\" in assenza di un package"
 
 #: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
@@ -140,11 +139,3 @@ msgstr "\"${val}\" non è un oggetto «time»"
 #: colander/__init__.py:1878 colander/__init__.py:1880
 msgid "Required"
 msgstr "Richiesto"
-
-#: colander/tests/test_colander.py:259 colander/tests/test_colander.py:266
-msgid "fail ${val}"
-msgstr "condizione di errore ${val}"
-
-#: colander/tests/test_colander.py:433
-msgid "${val}: ${choices}"
-msgstr "${val}: ${choices}"
diff --git a/colander/locale/ja/LC_MESSAGES/colander.po b/colander/locale/ja/LC_MESSAGES/colander.po
index 499e5e3..b6d7948 100644
--- a/colander/locale/ja/LC_MESSAGES/colander.po
+++ b/colander/locale/ja/LC_MESSAGES/colander.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.8\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2012-03-20 23:23-0300\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2012-03-28 01:12+0900\n"
 "Last-Translator: OCHIAI, Gouji <gjo.ext@gmail.com>\n"
 "Language-Team: ja <LL@li.org>\n"
@@ -15,116 +15,127 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.6\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:221
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "無効な値です"
 
-#: colander/__init__.py:254
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "文字列がパターンに一致しません"
 
-#: colander/__init__.py:269
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "無効なメールアドレスです"
 
-#: colander/__init__.py:298
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} は最小値 ${min} を下回っています"
 
-#: colander/__init__.py:299
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} は最大値 ${max} を超過しています"
 
-#: colander/__init__.py:331
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "${min} 以上の長さが必要です"
 
-#: colander/__init__.py:337
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "${max} より短くしてください"
 
-#: colander/__init__.py:350
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" は ${choices} のいずれかでなければなりません"
 
-#: colander/__init__.py:442
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" はマップ型でなければなりません: ${err}"
 
-#: colander/__init__.py:466
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "未定義のキーがマップに含まれています: \"${val}\""
 
-#: colander/__init__.py:562 colander/__init__.py:705
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" は iterable でなければなりません"
 
-#: colander/__init__.py:570
+#: colander/__init__.py:664
 msgid ""
 "\"${val}\" has an incorrect number of elements (expected ${exp}, was "
 "${was})"
 msgstr "\"${val}\" の要素数が正しくありません (${exp} 個のはずが ${was} 個)"
 
-#: colander/__init__.py:919
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} は iterable でなければなりません"
+
+#: colander/__init__.py:1075
 msgid "${val} cannot be serialized: ${err}"
 msgstr "${val} が直列化できません: ${err}"
 
-#: colander/__init__.py:937
+#: colander/__init__.py:1093
 msgid "${val} is not a string: ${err}"
 msgstr "${val} は文字列ではありません: ${err}"
 
-#: colander/__init__.py:957 colander/__init__.py:968
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" は数値ではありません"
 
-#: colander/__init__.py:1044
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} は文字列ではありません"
 
-#: colander/__init__.py:1104 colander/__init__.py:1121
-#: colander/__init__.py:1131
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "相対名 \"${val}\" はパッケージを指定しなければ名前解決できません"
 
-#: colander/__init__.py:1161
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" には __name__ が含まれていません"
 
-#: colander/__init__.py:1170
+#: colander/__init__.py:1405
 msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" は文字列ではありません"
 
-#: colander/__init__.py:1179
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr "ドット区切り名  \"${name}\" がインポートできませんでした"
 
-#: colander/__init__.py:1226 colander/__init__.py:1307
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "無効な日付です"
 
-#: colander/__init__.py:1242
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" は datetime オブジェクトではありません"
 
-#: colander/__init__.py:1318
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" は date オブジェクトではありません"
 
-#: colander/__init__.py:1383
+#: colander/__init__.py:1610
 msgid "Invalid time"
 msgstr "無効な時刻です"
 
-#: colander/__init__.py:1394
+#: colander/__init__.py:1621
 msgid "\"${val}\" is not a time object"
 msgstr "\"${val}\" は time オブジェクトではありません"
 
-#: colander/__init__.py:1605 colander/__init__.py:1607
+#: colander/__init__.py:1878 colander/__init__.py:1880
 msgid "Required"
 msgstr "必須です"
-
-#: colander/tests/test_colander.py:259 colander/tests/test_colander.py:266
-msgid "fail ${val}"
-msgstr "${val} で失敗しました"
-
diff --git a/colander/locale/nl/LC_MESSAGES/colander.po b/colander/locale/nl/LC_MESSAGES/colander.po
index 680c2bb..dc218ca 100644
--- a/colander/locale/nl/LC_MESSAGES/colander.po
+++ b/colander/locale/nl/LC_MESSAGES/colander.po
@@ -1,4 +1,4 @@
-# Translations template for colander.
+# Dutch translations for colander.
 # Copyright (C) 2010 ORGANIZATION
 # This file is distributed under the same license as the colander project.
 # FIRST AUTHOR <EMAIL@ADDRESS>, 2010.
@@ -7,107 +7,141 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.8\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2010-09-10 08:00-0600\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2011-06-03 00:22+0200\n"
 "Last-Translator: Wichert Akkerman <wichert@wiggy.net>\n"
+"Language-Team: nl <LL@li.org>\n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.5\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:199
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Ongeldige waarde"
 
-#: colander/__init__.py:232
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "Tekst is niet in het juiste formaat"
 
-#: colander/__init__.py:247
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "Ongeldig e-mail adres"
 
-#: colander/__init__.py:276
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} is minder dan de minimum waarde ${min}"
 
-#: colander/__init__.py:277
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} is groter dan de maximale toegestaane waarde ${max}"
 
-#: colander/__init__.py:309
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "De minimale lengte is ${min}"
 
-#: colander/__init__.py:315
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "De maximale lengte is ${max}"
 
-#: colander/__init__.py:328
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" is geen toegestaande waarde. Kies één van ${choices}."
 
-#: colander/__init__.py:398
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" is geen map type: ${err}"
 
-#: colander/__init__.py:422
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Onbekende waardes in map: \"${val}\""
 
-#: colander/__init__.py:477 colander/__init__.py:563
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" is niet itereerbaar"
 
-#: colander/__init__.py:485
-msgid "\"${val}\" has an incorrect number of elements (expected ${exp}, was ${was})"
-msgstr "\"${val}\" bevat niet het juiste aantal element (${was} in plaats van ${exp})"
+#: colander/__init__.py:664
+msgid ""
+"\"${val}\" has an incorrect number of elements (expected ${exp}, was "
+"${was})"
+msgstr ""
+"\"${val}\" bevat niet het juiste aantal element (${was} in plaats van "
+"${exp})"
 
-#: colander/__init__.py:725
-msgid "\"${val} cannot be serialized: ${err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} is niet itereerbaar"
+
+#: colander/__init__.py:1075
+msgid "${val} cannot be serialized: ${err}"
 msgstr "${val} kan niet worden opgeslagen: ${err}"
 
-#: colander/__init__.py:738
+#: colander/__init__.py:1093
 msgid "${val} is not a string: ${err}"
 msgstr "${val} is geen tekst: ${err}"
 
-#: colander/__init__.py:759 colander/__init__.py:770
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" is geen getal"
 
-#: colander/__init__.py:764 colander/__init__.py:1263
-msgid "Required"
-msgstr "Verplicht"
-
-#: colander/__init__.py:844
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} is geen tekst"
 
-#: colander/__init__.py:904 colander/__init__.py:921 colander/__init__.py:931
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "relatieve aanduiding \"${val}\" kan niet worden opgezocht zonder package"
 
-#: colander/__init__.py:961
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" heeft geen __name__"
 
-#: colander/__init__.py:967
+#: colander/__init__.py:1405
 msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" is geen tekst"
 
-#: colander/__init__.py:976
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr "Kan \"${name}\" niet importeren"
 
-#: colander/__init__.py:1024 colander/__init__.py:1101
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "Geen geldige datum"
 
-#: colander/__init__.py:1040
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" is geen datetime object"
 
-#: colander/__init__.py:1112
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" is geen date object"
 
+#: colander/__init__.py:1610
+#, fuzzy
+#| msgid "Invalid date"
+msgid "Invalid time"
+msgstr "Geen geldige datum"
+
+#: colander/__init__.py:1621
+#, fuzzy
+#| msgid "\"${val}\" is not a datetime object"
+msgid "\"${val}\" is not a time object"
+msgstr "\"${val}\" is geen datetime object"
+
+#: colander/__init__.py:1878 colander/__init__.py:1880
+msgid "Required"
+msgstr "Verplicht"
diff --git a/colander/locale/pl/LC_MESSAGES/colander.po b/colander/locale/pl/LC_MESSAGES/colander.po
index 5b89824..336794b 100644
--- a/colander/locale/pl/LC_MESSAGES/colander.po
+++ b/colander/locale/pl/LC_MESSAGES/colander.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.8\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2010-09-10 08:00+0600\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2011-03-17 19:05+0100\n"
 "Last-Translator: Jędrzej Nowak <pigmej@gmail.com>\n"
 "Language-Team: pl <LL@li.org>\n"
@@ -16,104 +16,131 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.5\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:199
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Niepoprawna wartość"
 
-#: colander/__init__.py:232
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "Nie pasuje do oczekiwanego wzorca"
 
-#: colander/__init__.py:247
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "Niepoprawny adres email"
 
-#: colander/__init__.py:276
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} jest mniejsza niż minimalna wartość ${min}"
 
-#: colander/__init__.py:277
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} jest większa niż maksymalna wartość ${max}"
 
-#: colander/__init__.py:309
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "Krótsze niż minimalna długość ${min}"
 
-#: colander/__init__.py:315
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "Dłuższa niż maksymalna długość ${max}"
 
-#: colander/__init__.py:328
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" nie jest żadnym z ${choices}"
 
-#: colander/__init__.py:398
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" nie jest zmapowanym typem: ${err}"
 
-#: colander/__init__.py:422
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Nieznane klucze w mapowaniu: \"${val}\""
 
-#: colander/__init__.py:477 colander/__init__.py:563
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" nie jest iterable"
 
-#: colander/__init__.py:485
+#: colander/__init__.py:664
 msgid ""
 "\"${val}\" has an incorrect number of elements (expected ${exp}, was "
 "${was})"
-msgstr "\"${val}\" ma niepoprawną ilość elementów (oczekiwano ${exp}, było "
-"${was})"
+msgstr "\"${val}\" ma niepoprawną ilość elementów (oczekiwano ${exp}, było ${was})"
 
-#: colander/__init__.py:725
-msgid "\"${val} cannot be serialized: ${err}"
-msgstr "\"${val} nie może zostać zserializowana: ${err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} nie jest iterable"
 
-#: colander/__init__.py:738
-msgid "${val} is not a string: %{err}"
-msgstr "${val} nie jest stringiem: %{err}"
+#: colander/__init__.py:1075
+msgid "${val} cannot be serialized: ${err}"
+msgstr "${val} nie może zostać zserializowana: ${err}"
 
-#: colander/__init__.py:759 colander/__init__.py:770
+#: colander/__init__.py:1093
+msgid "${val} is not a string: ${err}"
+msgstr "${val} nie jest stringiem: ${err}"
+
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" nie jest liczbą"
 
-#: colander/__init__.py:764 colander/__init__.py:1263
-msgid "Required"
-msgstr "Wymagane"
-
-#: colander/__init__.py:844
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} nie jest stringiem"
 
-#: colander/__init__.py:904 colander/__init__.py:921 colander/__init__.py:931
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr ""
 
-#: colander/__init__.py:961
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" nie ma __name__"
 
-#: colander/__init__.py:967
+#: colander/__init__.py:1405
 msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" nie jest stringiem"
 
-#: colander/__init__.py:976
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr ""
 
-#: colander/__init__.py:1024 colander/__init__.py:1101
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "Niepoprawna data"
 
-#: colander/__init__.py:1040
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" nie jest obiektem datetime"
 
-#: colander/__init__.py:1112
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" nie jest obiektem date"
 
+#: colander/__init__.py:1610
+#, fuzzy
+#| msgid "Invalid date"
+msgid "Invalid time"
+msgstr "Niepoprawna data"
+
+#: colander/__init__.py:1621
+#, fuzzy
+#| msgid "\"${val}\" is not a datetime object"
+msgid "\"${val}\" is not a time object"
+msgstr "\"${val}\" nie jest obiektem datetime"
+
+#: colander/__init__.py:1878 colander/__init__.py:1880
+msgid "Required"
+msgstr "Wymagane"
diff --git a/colander/locale/pt/LC_MESSAGES/colander.po b/colander/locale/pt/LC_MESSAGES/colander.po
index 39b1330..47323a4 100644
--- a/colander/locale/pt/LC_MESSAGES/colander.po
+++ b/colander/locale/pt/LC_MESSAGES/colander.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.9.7\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2012-03-20 23:23-0300\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2012-06-30 17:48+0100\n"
 "Last-Translator: Nuno Teixeira <teixas@gmail.com>\n"
 "Language-Team: pt <LL@li.org>\n"
@@ -15,118 +15,129 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.6\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:221
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Valor inválido"
 
-#: colander/__init__.py:254
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "Os caracteres não seguem o padrão"
 
-#: colander/__init__.py:269
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "E-mail inválido"
 
-#: colander/__init__.py:298
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} é menor que o valor mínimo ${min}"
 
-#: colander/__init__.py:299
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} é maior que o valor máximo ${max}"
 
-#: colander/__init__.py:331
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "Menor que o tamanho mínimo ${min}"
 
-#: colander/__init__.py:337
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "Maior que o tamanho máximo ${max}"
 
-#: colander/__init__.py:350
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" não se encontra em ${choices}"
 
-#: colander/__init__.py:442
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" não suporta mapeamento: ${err}"
 
-#: colander/__init__.py:466
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Índice inexistente no mapeamento: \"${val}\""
 
-#: colander/__init__.py:562 colander/__init__.py:705
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" não é iterável"
 
-#: colander/__init__.py:570
+#: colander/__init__.py:664
 msgid ""
 "\"${val}\" has an incorrect number of elements (expected ${exp}, was "
 "${was})"
 msgstr ""
-"\"${val}\" tem o número incorrecto de elementos (esperam-se ${exp}, mas "
-" mas existem ${was})"
+"\"${val}\" tem o número incorrecto de elementos (esperam-se ${exp}, mas  "
+"mas existem ${was})"
 
-#: colander/__init__.py:919
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} não é iterável"
+
+#: colander/__init__.py:1075
 msgid "${val} cannot be serialized: ${err}"
 msgstr "${val} não pode ser serializado: ${err}"
 
-#: colander/__init__.py:937
+#: colander/__init__.py:1093
 msgid "${val} is not a string: ${err}"
 msgstr "${val} não é uma cadeia de caracteres: ${err}"
 
-#: colander/__init__.py:957 colander/__init__.py:968
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" não é um número"
 
-#: colander/__init__.py:1044
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} não é uma cadeia de caracteres"
 
-#: colander/__init__.py:1104 colander/__init__.py:1121
-#: colander/__init__.py:1131
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "O nome relativo \"${val}\" não pode ser resolvido sem o nome do pacote"
 
-#: colander/__init__.py:1161
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" não contém __name___"
 
-#: colander/__init__.py:1170
-msgid "\"${val}\"\W is not a string"
+#: colander/__init__.py:1405
+msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" não é uma cadeia de caracteres"
 
-#: colander/__init__.py:1179
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr "O nome \"${name}\" não pode ser importado"
 
-#: colander/__init__.py:1226 colander/__init__.py:1307
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "Data inválida"
 
-#: colander/__init__.py:1242
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" não é um objecto datetime"
 
-#: colander/__init__.py:1318
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" não é um objecto date"
 
-#: colander/__init__.py:1383
+#: colander/__init__.py:1610
 msgid "Invalid time"
 msgstr "Hora inválida"
 
-#: colander/__init__.py:1394
+#: colander/__init__.py:1621
 msgid "\"${val}\" is not a time object"
 msgstr "\"${val}\" não é um objecto time"
 
-#: colander/__init__.py:1605 colander/__init__.py:1607
+#: colander/__init__.py:1878 colander/__init__.py:1880
 msgid "Required"
 msgstr "Obrigatório"
-
-#: colander/tests/test_colander.py:259 colander/tests/test_colander.py:266
-msgid "fail ${val}"
-msgstr "Erro ${val}"
-
diff --git a/colander/locale/pt_BR/LC_MESSAGES/colander.po b/colander/locale/pt_BR/LC_MESSAGES/colander.po
index de24637..219c629 100644
--- a/colander/locale/pt_BR/LC_MESSAGES/colander.po
+++ b/colander/locale/pt_BR/LC_MESSAGES/colander.po
@@ -8,135 +8,144 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.5.2\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2012-03-20 23:23-0300\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2012-03-20 23:28-0300\n"
 "Last-Translator: Nando Florestan <nandoflorestan@gmail.com>\n"
 "Language-Team: Portuguese <>\n"
-"Plural-Forms: nplurals=2; plural=(n!=1);\n"
+"Plural-Forms: nplurals=2; plural=(n!=1)\n"
 "MIME-Version: 1.0\n"
-"Content-Type: text/plain; charset=UTF-8\n"
-"Content-Transfer-Encoding: 8bits\n"
-"Generated-By: Babel 0.9.6\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:221
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Valor inválido"
 
-#: colander/__init__.py:254
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "Não corresponde ao padrão esperado"
 
-#: colander/__init__.py:269
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "Endereço de email inválido"
 
-#: colander/__init__.py:298
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} é menor do que o mínimo ${min}"
 
-#: colander/__init__.py:299
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} é maior do que o máximo ${max}"
 
-#: colander/__init__.py:331
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "Mais curto do que o comprimento mínimo ${min}"
 
-#: colander/__init__.py:337
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "Mais longo do que o comprimento máximo ${max}"
 
-#: colander/__init__.py:350
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" não está entre ${choices}"
 
-#: colander/__init__.py:442
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" não é um tipo de mapeamento: ${err}"
 
-#: colander/__init__.py:466
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Chaves desconhecidas no mapeamento: \"${val}\""
 
-#: colander/__init__.py:562 colander/__init__.py:705
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "Iterações não podem ser feitas em \"${val}\""
 
-#: colander/__init__.py:570
+#: colander/__init__.py:664
 msgid ""
-"\"${val}\" has an incorrect number of elements (expected ${exp}, was ${was})"
+"\"${val}\" has an incorrect number of elements (expected ${exp}, was "
+"${was})"
 msgstr ""
-"\"${val}\" tem um número incorreto de elementos (${exp} esperados, ${was} "
-"obtidos)"
+"\"${val}\" tem um número incorreto de elementos (${exp} esperados, ${was}"
+" obtidos)"
 
-#: colander/__init__.py:919
-#| msgid "\"${val} cannot be serialized to str: ${err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "Iterações não podem ser feitas em ${cstruct}"
+
+#: colander/__init__.py:1075
 msgid "${val} cannot be serialized: ${err}"
 msgstr "\"${val} não pode ser serializado: ${err}"
 
-#: colander/__init__.py:937
-#| msgid "${val} is not a string: %{err}"
+#: colander/__init__.py:1093
 msgid "${val} is not a string: ${err}"
 msgstr "${val} não é uma string: %{err}"
 
-#: colander/__init__.py:957 colander/__init__.py:968
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" não é um número"
 
-#: colander/__init__.py:1044
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} não é uma string"
 
-#: colander/__init__.py:1104 colander/__init__.py:1121
-#: colander/__init__.py:1131
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "O nome relativo \"${val}\" não pode ser resolvido sem o pacote"
 
-#: colander/__init__.py:1161
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" não tem __name__"
 
-#: colander/__init__.py:1170
+#: colander/__init__.py:1405
 msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" não é uma string"
 
-#: colander/__init__.py:1179
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr "O pacote \"${name}\" não pode ser importado"
 
-#: colander/__init__.py:1226 colander/__init__.py:1307
-#| msgid "Invalid value"
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "Data inválida"
 
-#: colander/__init__.py:1242
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" não é um objeto datetime"
 
-#: colander/__init__.py:1318
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" não é um objeto date"
 
-#: colander/__init__.py:1383
-#| msgid "Invalid value"
+#: colander/__init__.py:1610
 msgid "Invalid time"
 msgstr "Hora inválida"
 
-#: colander/__init__.py:1394
-#| msgid "\"${val}\" is not a datetime object"
+#: colander/__init__.py:1621
 msgid "\"${val}\" is not a time object"
 msgstr "\"${val}\" não é um objeto time"
 
-#: colander/__init__.py:1605 colander/__init__.py:1607
+#: colander/__init__.py:1878 colander/__init__.py:1880
 msgid "Required"
 msgstr "Obrigatório"
 
-#: colander/tests/test_colander.py:259 colander/tests/test_colander.py:266
-msgid "fail ${val}"
-msgstr "falha ${val}"
-
 #~ msgid "\"${val}\" is required but missing"
 #~ msgstr "\"${val}\" é obrigatório, mas está vazio"
 
 #~ msgid "${val} cannot be parsed as an iso8601 date: ${err}"
 #~ msgstr "${val} não pode ser entendido como uma data iso8601: ${err}"
+
diff --git a/colander/locale/ru/LC_MESSAGES/colander.po b/colander/locale/ru/LC_MESSAGES/colander.po
index 4c54ecc..6876258 100644
--- a/colander/locale/ru/LC_MESSAGES/colander.po
+++ b/colander/locale/ru/LC_MESSAGES/colander.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.5.2\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2010-04-25 21:09+0400\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2010-04-25 21:18-0400\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: ru <LL@li.org>\n"
@@ -16,110 +16,144 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.5\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:177
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Неверное значение"
 
-#: colander/__init__.py:202
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "Строка не соответствует заданному шаблону"
 
-#: colander/__init__.py:217
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "Неверный адрес электронной почты"
 
-#: colander/__init__.py:246
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} меньше чем ${min}"
 
-#: colander/__init__.py:247
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} больше чем ${max}"
 
-#: colander/__init__.py:279
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "Меньше, чем минимальная длина {$min}"
 
-#: colander/__init__.py:285
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "Больше, чем максимальная длина {$min}"
 
-#: colander/__init__.py:298
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" не является одним из ${choices}"
 
-#: colander/__init__.py:367
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" содержит неверный тип данных: ${err}"
 
-#: colander/__init__.py:394
-msgid "\"${val}\" is required but missing"
-msgstr "\"${val}\" является обязательным для заполнения"
-
-#: colander/__init__.py:411
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Неизвестные ключи: \"${val}\""
 
-#: colander/__init__.py:461 colander/__init__.py:539
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" не является итератором"
 
-#: colander/__init__.py:469
+#: colander/__init__.py:664
 msgid ""
 "\"${val}\" has an incorrect number of elements (expected ${exp}, was "
 "${was})"
-msgstr "\"${val}\" содержит неверное число элементов (ожидалось ${exp}, но содержит "
-"${was})"
+msgstr ""
+"\"${val}\" содержит неверное число элементов (ожидалось ${exp}, но "
+"содержит ${was})"
 
-#: colander/__init__.py:644
-msgid "${val} is not a string: %{err}"
-msgstr "${val} не является строкой: %{err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} не является итератором"
 
-#: colander/__init__.py:648 colander/__init__.py:680 colander/__init__.py:710
-#: colander/__init__.py:751 colander/__init__.py:996
-msgid "Required"
-msgstr "Требуется"
+#: colander/__init__.py:1075
+msgid "${val} cannot be serialized: ${err}"
+msgstr "${val} не может быть сериализовано в строку: ${err}"
 
-#: colander/__init__.py:662
-msgid "\"${val} cannot be serialized to str: ${err}"
-msgstr "\"${val} не может быть сериализовано в строку: ${err}"
+#: colander/__init__.py:1093
+msgid "${val} is not a string: ${err}"
+msgstr "${val} не является строкой: ${err}"
 
-#: colander/__init__.py:683 colander/__init__.py:692 colander/__init__.py:713
-#: colander/__init__.py:722
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" не является числом"
 
-#: colander/__init__.py:747
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} не является строкой"
 
-#: colander/__init__.py:808 colander/__init__.py:825 colander/__init__.py:835
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr ""
 
-#: colander/__init__.py:860
-msgid "\"${val}\" is not a string"
-msgstr "\"${val}\" не является строкой"
-
-#: colander/__init__.py:868
-msgid "The dotted name \"${name}\" cannot be imported"
-msgstr ""
-
-#: colander/__init__.py:876
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" не имеет аттрибута __name__"
 
-#: colander/__init__.py:918 colander/__init__.py:982
-msgid "${val} cannot be parsed as an iso8601 date: ${err}"
-msgstr "Значение ${val} не может быть распознано как дата в формате iso8601: ${err}"
+#: colander/__init__.py:1405
+msgid "\"${val}\" is not a string"
+msgstr "\"${val}\" не является строкой"
 
-#: colander/__init__.py:929
+#: colander/__init__.py:1414
+msgid "The dotted name \"${name}\" cannot be imported"
+msgstr ""
+
+#: colander/__init__.py:1462 colander/__init__.py:1538
+#, fuzzy
+#| msgid "Invalid value"
+msgid "Invalid date"
+msgstr "Неверное значение"
+
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" не является объектом datetime"
 
-#: colander/__init__.py:988
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" не является объектом date"
 
+#: colander/__init__.py:1610
+#, fuzzy
+#| msgid "Invalid value"
+msgid "Invalid time"
+msgstr "Неверное значение"
+
+#: colander/__init__.py:1621
+#, fuzzy
+#| msgid "\"${val}\" is not a datetime object"
+msgid "\"${val}\" is not a time object"
+msgstr "\"${val}\" не является объектом datetime"
+
+#: colander/__init__.py:1878 colander/__init__.py:1880
+msgid "Required"
+msgstr "Требуется"
+
+#~ msgid "\"${val}\" is required but missing"
+#~ msgstr "\"${val}\" является обязательным для заполнения"
+
+#~ msgid "${val} cannot be parsed as an iso8601 date: ${err}"
+#~ msgstr ""
+#~ "Значение ${val} не может быть распознано"
+#~ " как дата в формате iso8601: ${err}"
+
diff --git a/colander/locale/sv/LC_MESSAGES/colander.po b/colander/locale/sv/LC_MESSAGES/colander.po
index dc9ebb7..e928293 100644
--- a/colander/locale/sv/LC_MESSAGES/colander.po
+++ b/colander/locale/sv/LC_MESSAGES/colander.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.8\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2010-09-10 08:00-0600\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: 2011-08-23 10:04+0200\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: sv <LL@li.org>\n"
@@ -15,109 +15,131 @@ msgstr ""
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.6\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:199
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "Ogiltigt värde"
 
-#: colander/__init__.py:232
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "Strängen följer inte förväntat mönster"
 
-#: colander/__init__.py:247
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "Ogiltig epostadress"
 
-#: colander/__init__.py:276
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} är mindre än minimumvärdet ${min}"
 
-#: colander/__init__.py:277
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} är större än maxvärdet ${max}"
 
-#: colander/__init__.py:309
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "Kortare än minimilängden ${min}"
 
-#: colander/__init__.py:315
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "Längre än maxlängden ${max}"
 
-#: colander/__init__.py:328
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" är inte en av ${choices}"
 
-#: colander/__init__.py:398
-#, fuzzy
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" är inte en \"mapping\"-typ: ${err}"
 
-#: colander/__init__.py:422
-#, fuzzy
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "Obekant nyckel i \"mapping\": \"${val}\""
 
-#: colander/__init__.py:477
-#: colander/__init__.py:563
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" är inte itererbar"
 
-#: colander/__init__.py:485
-msgid "\"${val}\" has an incorrect number of elements (expected ${exp}, was ${was})"
+#: colander/__init__.py:664
+msgid ""
+"\"${val}\" has an incorrect number of elements (expected ${exp}, was "
+"${was})"
 msgstr "\"${val}\" har fel antal element (förväntade ${exp}, var ${was})"
 
-#: colander/__init__.py:725
-msgid "\"${val} cannot be serialized: ${err}"
-msgstr "\"${val} kan inte serialiseras: ${err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} är inte itererbar"
 
-#: colander/__init__.py:738
-msgid "${val} is not a string: %{err}"
-msgstr "${val} är inte en sträng: %{err}"
+#: colander/__init__.py:1075
+msgid "${val} cannot be serialized: ${err}"
+msgstr "${val} kan inte serialiseras: ${err}"
 
-#: colander/__init__.py:759
-#: colander/__init__.py:770
+#: colander/__init__.py:1093
+msgid "${val} is not a string: ${err}"
+msgstr "${val} är inte en sträng: ${err}"
+
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" är inte ett nummer"
 
-#: colander/__init__.py:764
-#: colander/__init__.py:1263
-msgid "Required"
-msgstr "Krävd"
-
-#: colander/__init__.py:844
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} är inte en sträng"
 
-#: colander/__init__.py:904
-#: colander/__init__.py:921
-#: colander/__init__.py:931
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "relativa namnet \"${val}\" kan inte slås upp utan paket"
 
-#: colander/__init__.py:961
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" har ingen __name__"
 
-#: colander/__init__.py:967
+#: colander/__init__.py:1405
 msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" är inte en sträng"
 
-#: colander/__init__.py:976
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr "Punktade namnet \"${name}\" kan inte importeras"
 
-#: colander/__init__.py:1024
-#: colander/__init__.py:1101
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "Ogiltigt datum"
 
-#: colander/__init__.py:1040
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" är inte ett \"datetime\"-objekt"
 
-#: colander/__init__.py:1112
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" är inte ett \"date\"-objekt"
 
+#: colander/__init__.py:1610
+#, fuzzy
+#| msgid "Invalid date"
+msgid "Invalid time"
+msgstr "Ogiltigt datum"
+
+#: colander/__init__.py:1621
+#, fuzzy
+#| msgid "\"${val}\" is not a datetime object"
+msgid "\"${val}\" is not a time object"
+msgstr "\"${val}\" är inte ett \"datetime\"-objekt"
+
+#: colander/__init__.py:1878 colander/__init__.py:1880
+msgid "Required"
+msgstr "Krävd"
diff --git a/colander/locale/zh/LC_MESSAGES/colander.po b/colander/locale/zh/LC_MESSAGES/colander.po
index 5b6e1ee..90ff875 100644
--- a/colander/locale/zh/LC_MESSAGES/colander.po
+++ b/colander/locale/zh/LC_MESSAGES/colander.po
@@ -1,115 +1,145 @@
-# Translations template for colander.
+# Chinese translations for colander.
 # Copyright (C) 2010 ORGANIZATION
 # This file is distributed under the same license as the colander project.
 # FIRST AUTHOR <EMAIL@ADDRESS>, 2010.
 #
-#, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: colander 0.8\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2010-09-10 08:00-0600\n"
+"POT-Creation-Date: 2013-05-19 13:15+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
-"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language-Team: zh <LL@li.org>\n"
+"Plural-Forms: nplurals=2; plural=(n != 1)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Generated-By: Babel 0.9.5\n"
+"Generated-By: Babel 1.3\n"
 
-#: colander/__init__.py:199
+#: colander/__init__.py:233
 msgid "Invalid value"
 msgstr "无效值"
 
-#: colander/__init__.py:232
+#: colander/__init__.py:270
 msgid "String does not match expected pattern"
 msgstr "字符串和要求的模式不匹配"
 
-#: colander/__init__.py:247
+#: colander/__init__.py:287
 msgid "Invalid email address"
 msgstr "无效的邮件地址"
 
-#: colander/__init__.py:276
+#: colander/__init__.py:315
 msgid "${val} is less than minimum value ${min}"
 msgstr "${val} 低于最低限值 ${min}"
 
-#: colander/__init__.py:277
+#: colander/__init__.py:316
 msgid "${val} is greater than maximum value ${max}"
 msgstr "${val} 大于最高限值 ${max}"
 
-#: colander/__init__.py:309
+#: colander/__init__.py:348
 msgid "Shorter than minimum length ${min}"
 msgstr "短于最小长度 ${min}"
 
-#: colander/__init__.py:315
+#: colander/__init__.py:354
 msgid "Longer than maximum length ${max}"
 msgstr "长于最大长度 ${max}"
 
-#: colander/__init__.py:328
+#: colander/__init__.py:367
 msgid "\"${val}\" is not one of ${choices}"
 msgstr "\"${val}\" 不是这些值 ${choices} 中的一个"
 
-#: colander/__init__.py:398
+#: colander/__init__.py:377
+msgid "One or more of the choices you made was not acceptable"
+msgstr ""
+
+#: colander/__init__.py:423
+msgid "Must be a URL"
+msgstr ""
+
+#: colander/__init__.py:519
 msgid "\"${val}\" is not a mapping type: ${err}"
 msgstr "\"${val}\" 不是一个映射类型: ${err}"
 
-#: colander/__init__.py:422
+#: colander/__init__.py:560
 msgid "Unrecognized keys in mapping: \"${val}\""
 msgstr "无法识别的键: \"${val}\""
 
-#: colander/__init__.py:477 colander/__init__.py:563
+#: colander/__init__.py:656 colander/__init__.py:856
 msgid "\"${val}\" is not iterable"
 msgstr "\"${val}\" 不可遍历"
 
-#: colander/__init__.py:485
-msgid "\"${val}\" has an incorrect number of elements (expected ${exp}, was ${was})"
+#: colander/__init__.py:664
+msgid ""
+"\"${val}\" has an incorrect number of elements (expected ${exp}, was "
+"${was})"
 msgstr "\"${val}\" 的元素个数不正确 (要求 ${exp}, 实际 ${was})"
 
-#: colander/__init__.py:725
-msgid "\"${val} cannot be serialized: ${err}"
-msgstr "\"${val} 不可序列化: ${err}"
+#: colander/__init__.py:803
+msgid "${cstruct} is not iterable"
+msgstr "${cstruct} 不可遍历"
 
-#: colander/__init__.py:738
-msgid "${val} is not a string: %{err}"
-msgstr "${val} 不是字符串: %{err}"
+#: colander/__init__.py:1075
+msgid "${val} cannot be serialized: ${err}"
+msgstr "${val} 不可序列化: ${err}"
 
-#: colander/__init__.py:759 colander/__init__.py:770
+#: colander/__init__.py:1093
+msgid "${val} is not a string: ${err}"
+msgstr "${val} 不是字符串: ${err}"
+
+#: colander/__init__.py:1113 colander/__init__.py:1124
 msgid "\"${val}\" is not a number"
 msgstr "\"${val}\" 不是数字"
 
-#: colander/__init__.py:764 colander/__init__.py:1263
-msgid "Required"
-msgstr "必需"
-
-#: colander/__init__.py:844
+#: colander/__init__.py:1268
 msgid "${val} is not a string"
 msgstr "${val} 不是字符串"
 
-#: colander/__init__.py:904 colander/__init__.py:921 colander/__init__.py:931
+#: colander/__init__.py:1279
+msgid "\"${val}\" is neither in (${false_choices}) nor in (${true_choices})"
+msgstr ""
+
+#: colander/__init__.py:1339 colander/__init__.py:1356
+#: colander/__init__.py:1366
 msgid "relative name \"${val}\" irresolveable without package"
 msgstr "相关名字 \"${val}\" 无法找到"
 
-#: colander/__init__.py:961
+#: colander/__init__.py:1396
 msgid "\"${val}\" has no __name__"
 msgstr "\"${val}\" 没有 __name__"
 
-#: colander/__init__.py:967
+#: colander/__init__.py:1405
 msgid "\"${val}\" is not a string"
 msgstr "\"${val}\" 不是字符串"
 
-#: colander/__init__.py:976
+#: colander/__init__.py:1414
 msgid "The dotted name \"${name}\" cannot be imported"
 msgstr "点名字 \"${name}\" 无法导入"
 
-#: colander/__init__.py:1024 colander/__init__.py:1101
+#: colander/__init__.py:1462 colander/__init__.py:1538
 msgid "Invalid date"
 msgstr "无效日期"
 
-#: colander/__init__.py:1040
+#: colander/__init__.py:1478
 msgid "\"${val}\" is not a datetime object"
 msgstr "\"${val}\" 不是一个时间日期对象"
 
-#: colander/__init__.py:1112
+#: colander/__init__.py:1549
 msgid "\"${val}\" is not a date object"
 msgstr "\"${val}\" 不是一个日期对象"
 
+#: colander/__init__.py:1610
+#, fuzzy
+#| msgid "Invalid date"
+msgid "Invalid time"
+msgstr "无效日期"
+
+#: colander/__init__.py:1621
+#, fuzzy
+#| msgid "\"${val}\" is not a datetime object"
+msgid "\"${val}\" is not a time object"
+msgstr "\"${val}\" 不是一个时间日期对象"
+
+#: colander/__init__.py:1878 colander/__init__.py:1880
+msgid "Required"
+msgstr "必需"