Description:
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On my first try to build my CHM theme for a partial render of PEAR Manual, I thought that there is an error in header navigation table.

With current CHM theme, the title of page is not centered as expected but left aligned.

This is why I thought there is a problem with prev link (but it's not).

Error came from PEAR chunked html theme 
File: http://cvs.php.net/viewvc.cgi/phd/themes/pear/pearchunkedhtml.php?annotate=1.5.2.2.2.2 
Line: 103

<tr><th colspan="3" align="center">{$title}</th></tr>

The inline (expected behavior) is not provided by align="center" because the global style sheet "reset-fonts.css" is applied with 
selector 

caption th {text-align: left;}


So to fix it I suggest to replace in pearchunkedhtml.php v 1.5.2.2.2
line 103 by this one

<tr><th colspan="3" style="text-align: center">{$title}</th></tr>

And XHTML will be followed




Expected result:
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Title Centered

Actual result:
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Title is left aligned