[TYPO3-core] RFC: Bug #7324 : HTML breaks when using special characters in CSH bubble

[Patrick Broens]

This is a SVN patch request.

Problem:
Some CSH texts are using special characters to explain HTML tags in the 
new CSH bubble. For instance 
systext/context_help/locallang_csh_systmpl.xml uses <title> as 
&lt;title&gt; in label sitetitle.description. This is not properly 
encoded and a title tag will show up in the html for the editing form of 
templates.

Solution:
Use htmlspecialchars() on description for csh text

Comments:
Firefox ignores the title tag, but IE6 stops rendering the HTML when 
arriving at the title tag. To reproduce this, go to module 'Template' 
and edit the whole template record in IE6. At the second CSH icon for 
'Website title' it will stop rendering the page. Actually a no brainer.

Bugtracker references:
http://bugs.typo3.org/view.php?id=7324

Branches: Trunk

Patrick
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