Allow variable-names beginning with a number

lesscpy/lessc/lexer.py

@@ -140,6 +140,10 @@ class LessLexer:
         t.value = t.value.strip()
         return t
     
+    def t_less_variable(self, t):
+        r'@\w+'
+        return t
+    
     def t_css_color(self, t):
         r'\#[0-9]([0-9a-f]{5}|[0-9a-f]{2})'
         return t

lesscpy/test/css/variables.css

@@ -48,3 +48,6 @@
 	border-right: 1px solid transparent;
 	border-top: 1px solid black;
 }
+.testname {
+	width: 12px;
+}

lesscpy/test/css/variables.min.css

@@ -11,3 +11,4 @@
 .scope1 .scope2 .scope3 .scope4{color:black;}
 .negvar{padding:-1px;}
 .varpad{border-left:1px solid transparent;border-right:1px solid transparent;border-top:1px solid black;}
+.testname{width:12px;}

lesscpy/test/less/identifiers.less

@@ -133,4 +133,4 @@ footer, header, hgroup, menu, nav, section {
 @var: 3;
 (~".class_no_@{var}") {
 	padding: @var * -1px;
-}
+}

lesscpy/test/less/variables.less

@@ -96,3 +96,10 @@
     border-right: @a solid transparent;
     border-top: @a solid black;
 }
+/*
+	Names
+*/
+@1col: 12px;
+.testname {
+	width: @1col;
+}