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[libxml2] Visible HTML elements close the head tag

commit b60061a7a59d1305824896172b705c31316bc761
Author: Conrad Irwin <conrad irwin gmail com>
Date:   Fri Jul 27 15:42:27 2012 -0700

    Visible HTML elements close the head tag
    
    In HTML email it's common to find arbitrary fragments of HTML, the one
    that triggered this change was of the form:
    
        <meta><font></font><div>...
    
    Before this change the <font> tag was part of the implicit <head> that
    gets created for the <meta> tag, after this change, it is part of the
     <body>, which more closely matches the behaviour of modern HTML
    implementations.

 HTMLparser.c |   39 ++++++++++++++++++++++++++++++++++++++-
 1 files changed, 38 insertions(+), 1 deletions(-)
---
diff --git a/HTMLparser.c b/HTMLparser.c
index 63befed..09a9a4b 100644
--- a/HTMLparser.c
+++ b/HTMLparser.c
@@ -1085,7 +1085,7 @@ static const char * const htmlStartClose[] = {
 "div",		"p", "head", NULL,
 "noscript",	"p", NULL,
 "center",	"font", "b", "i", "p", "head", NULL,
-"a",		"a", NULL,
+"a",		"a", "head", NULL,
 "caption",	"p", NULL,
 "colgroup",	"caption", "colgroup", "col", "p", NULL,
 "col",		"caption", "col", "p", NULL,
@@ -1103,6 +1103,43 @@ static const char * const htmlStartClose[] = {
 "option",	"option", NULL,
 "fieldset",	"legend", "p", "head", "h1", "h2", "h3", "h4", "h5", "h6",
 		"pre", "listing", "xmp", "a", NULL,
+/* most tags in in FONTSTYLE, PHRASE and SPECIAL should close <head> */
+"tt",		"head", NULL,
+"i",		"head", NULL,
+"b",		"head", NULL,
+"u",		"head", NULL,
+"s",		"head", NULL,
+"strike",	"head", NULL,
+"big",		"head", NULL,
+"small",	"head", NULL,
+
+"em",		"head", NULL,
+"strong",	"head", NULL,
+"dfn",		"head", NULL,
+"code",		"head", NULL,
+"samp",		"head", NULL,
+"kbd",		"head", NULL,
+"var",		"head", NULL,
+"cite",		"head", NULL,
+"abbr",		"head", NULL,
+"acronym",	"head", NULL,
+
+/* "a" */
+"img",		"head", NULL,
+/* "applet" */
+/* "embed" */
+/* "object" */
+"font",		"head", NULL,
+/* "basefont" */
+"br",		"head", NULL,
+/* "script" */
+"map",		"head", NULL,
+"q",		"head", NULL,
+"sub",		"head", NULL,
+"sup",		"head", NULL,
+"span",		"head", NULL,
+"bdo",		"head", NULL,
+"iframe",	"head", NULL,
 NULL
 };
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