On Thu, Sep 24, 2015 at 10:12:25PM +0000, Bruce Sinclair wrote:
> Hi Daniel,
> 
> We have had the issue that libxml2 encodes curly braces as character 
> references in HTML output because of the following code in HTMLtree.c:
> 
>                escaped = xmlURIEscapeStr(tmp, BAD_CAST"@/:=?;#%&,+");
>                if (escaped != NULL) {
>                     xmlBufferWriteQuotedString(buf->buffer, escaped);
>                     xmlFree(escaped);
>                 } else {
>                     xmlBufferWriteQuotedString(buf->buffer, value);
>                 }
> 
> We don't think the curly braces, "{" and "}", should be changed to character 
> references.  Doing so causes a problem with the use of braces in a Server 
> Response File (SRF) generated with libxml2.  We change the first line of the 
> above code to:
> 
>                escaped = xmlURIEscapeStr(tmp, BAD_CAST"@/:=?;#%&,+{}");
> 
> to eliminate this issue.  Could this be accepted as a fix to libxml2?
> 

  Hi Bruce,

  I don't understand, that code is in attribute content escaping, and
for me "{" and "}" are not escaped:

thinkpad2:~/XML -> cat ./tst.html
<html>
<body>
<img alt="{foo}"/>
</body>
</html>
thinkpad2:~/XML -> ./xmllint --html ./tst.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" 
"http://www.w3.org/TR/REC-html40/loose.dtd";>
<html>
<body>
<img alt="{foo}">
</body>
</html>
thinkpad2:~/XML -> 

Please provide a reproducer with xmllint so I understand what is going on,

  thanks,

Daniel

-- 
Daniel Veillard      | Open Source and Standards, Red Hat
veill...@redhat.com  | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | virtualization library  http://libvirt.org/
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