Update to latest Hoedown.

docs/changelog.rst

@@ -11,6 +11,7 @@ Date format is year-month-day.
 - Add a new renderer class with XSS protections. By Changaco. (`#60`_)
 - Add Python 2.6 support. By sprin. (`#48`_)
 - Add Termux_ installation instructions to documentation.
+- Update Hoedown source files.
 
 .. _#60: https://github.com/FSX/misaka/pull/60
 .. _#48: https://github.com/FSX/misaka/pull/48

misaka/hoedown/document.c

@@ -77,6 +77,7 @@ static size_t char_autolink_url(hoedown_buffer *ob, hoedown_document *doc, uint8
 static size_t char_autolink_email(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size);
 static size_t char_autolink_www(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size);
 static size_t char_link(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size);
+static size_t char_image(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size);
 static size_t char_superscript(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size);
 static size_t char_math(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size);
 
@@ -86,6 +87,7 @@ enum markdown_char_t {
 	MD_CHAR_CODESPAN,
 	MD_CHAR_LINEBREAK,
 	MD_CHAR_LINK,
+	MD_CHAR_IMAGE,
 	MD_CHAR_LANGLE,
 	MD_CHAR_ESCAPE,
 	MD_CHAR_ENTITY,
@@ -103,6 +105,7 @@ static char_trigger markdown_char_ptrs[] = {
 	&char_codespan,
 	&char_linebreak,
 	&char_link,
+	&char_image,
 	&char_langle_tag,
 	&char_escape,
 	&char_entity,
@@ -402,9 +405,23 @@ tag_length(uint8_t *data, size_t size, hoedown_autolink_type *autolink)
 	/* a valid tag can't be shorter than 3 chars */
 	if (size < 3) return 0;
 
-	/* begins with a '<' optionally followed by '/', followed by letter or number */
 	if (data[0] != '<') return 0;
-	i = (data[1] == '/') ? 2 : 1;
+
+        /* HTML comment, laxist form */
+        if (size > 5 && data[1] == '!' && data[2] == '-' && data[3] == '-') {
+		i = 5;
+
+		while (i < size && !(data[i - 2] == '-' && data[i - 1] == '-' && data[i] == '>'))
+			i++;
+
+		i++;
+
+		if (i <= size)
+			return i;
+        }
+
+	/* begins with a '<' optionally followed by '/', followed by letter or number */
+        i = (data[1] == '/') ? 2 : 1;
 
 	if (!isalnum(data[i]))
 		return 0;
@@ -928,7 +945,12 @@ char_escape(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t off
 		}
 		else hoedown_buffer_putc(ob, data[1]);
 	} else if (size == 1) {
-		hoedown_buffer_putc(ob, data[0]);
+		if (doc->md.normal_text) {
+			work.data = data;
+			work.size = 1;
+			doc->md.normal_text(ob, &work, &doc->data);
+		}
+		else hoedown_buffer_putc(ob, data[0]);
 	}
 
 	return 2;
@@ -1076,6 +1098,17 @@ char_autolink_url(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size
 	return link_len;
 }
 
+static size_t
+char_image(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size) {
+	size_t ret;
+
+	if (size < 2 || data[1] != '[') return 0;
+
+	ret = char_link(ob, doc, data + 1, offset + 1, size - 1);
+	if (!ret) return 0;
+	return ret + 1;
+}
+
 /* char_link • '[': parsing a link, a footnote or an image */
 static size_t
 char_link(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offset, size_t size)
@@ -1288,9 +1321,6 @@ char_link(hoedown_buffer *ob, hoedown_document *doc, uint8_t *data, size_t offse
 
 	/* calling the relevant rendering function */
 	if (is_img) {
-		if (ob->size && ob->data[ob->size - 1] == '!')
-			ob->size -= 1;
-
 		ret = doc->md.image(ob, u_link, title, content, &doc->data);
 	} else {
 		ret = doc->md.link(ob, content, u_link, title, &doc->data);
@@ -2793,8 +2823,10 @@ hoedown_document_new(
 	if (doc->md.linebreak)
 		doc->active_char['\n'] = MD_CHAR_LINEBREAK;
 
-	if (doc->md.image || doc->md.link || doc->md.footnotes || doc->md.footnote_ref)
+	if (doc->md.image || doc->md.link || doc->md.footnotes || doc->md.footnote_ref) {
 		doc->active_char['['] = MD_CHAR_LINK;
+		doc->active_char['!'] = MD_CHAR_IMAGE;
+	}
 
 	doc->active_char['<'] = MD_CHAR_LANGLE;
 	doc->active_char['\\'] = MD_CHAR_ESCAPE;

misaka/hoedown/html_smartypants.c

@@ -314,7 +314,7 @@ smartypants_cb__ltag(hoedown_buffer *ob, struct smartypants_data *smrt, uint8_t
 	size_t tag, i = 0;
 
 	/* This is a comment. Copy everything verbatim until --> or EOF is seen. */
-	if (i + 4 < size && memcmp(text, "<!--", 4) == 0) {
+	if (i + 4 < size && memcmp(text + i, "<!--", 4) == 0) {
 		i += 4;
 		while (i + 3 < size && memcmp(text + i, "-->",  3) != 0)
 			i++;

misaka/hoedown/version.h

@@ -12,10 +12,10 @@ extern "C" {
  * CONSTANTS *
  *************/
 
-#define HOEDOWN_VERSION "3.0.5"
+#define HOEDOWN_VERSION "3.0.7"
 #define HOEDOWN_VERSION_MAJOR 3
 #define HOEDOWN_VERSION_MINOR 0
-#define HOEDOWN_VERSION_REVISION 5
+#define HOEDOWN_VERSION_REVISION 7
 
 
 /*************