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From Micha Lenk <>
Subject Re: [PATCH] mod_proxy_html deletes wrong data from HTML when meta http-equiv tag specifies Content-Type behind other meta http-equiv tag
Date Wed, 19 Mar 2014 21:05:35 GMT

Just for the records, I've just filed this issue in ASF bugzilla as 
issue #56286.


On 19.03.2014 20:40, Micha Lenk wrote:
> Hi Apache developers,
> over the time I've accumulated some patches for mod_proxy_html which I
> would like to get reviewed, and get applied in SVN (best both, trunk and
> then backported to 2.4). This is something that I feel to owe the Apache
> httpd community.
> So, lets first start with a bug that lets mod_proxy_html delete the
> wrong data from HTML code when a "http-equiv" meta tag specifies a
> Content-Type behind any other "http-equiv" meta tag (Thomas, Ewald, this
> is issue #21648 in our Mantis). For better understanding of the issue,
> please consider the following HTML file treated by mod_proxy_html:
> <html>
>   <head>
>    <meta http-equiv="X-Dummy-Header" content="dummy value">
>    <style type="text/css">div.ok { color: green; }       </style>
>    <meta http-equiv="Content-Type" content="text/html; charset=utf8"      >
>   <head>
>   <body>
>    <div class="ok">If the metafix is not broken, this text should get
> rendered in green color.</div>
>   </body>
> </html>
> Without the attached patch, mod_proxy_html will remove the <style> tag
> inside the <head> tag as soon as it parses the meta tag with the
> http-equiv="Content-Type" attribute. With the attached patch applied,
> mod_proxy_html removes the meta tag with the http-equiv="Content-Type"
> attribute instead. I guess this is what the code intended to do.
> The attached patch is based on httpd trunk, rev. 1579365.
> Please provide feedback whether I should file an issue in Apaches
> Bugzilla or whether this isn't needed in this case.
> Regards,
> Micha

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