[ phpwiki-Bugs-1438439 ] Error handler needlessly sets Pragma: no-cache

Bugs item #1438439, was opened at 2006-02-25 15:02
Message generated for change (Tracker Item Submitted) made by Item Submitter
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Category: version 1.3.x (experimental)
Group: PHP error
Status: Open
Resolution: None
Priority: 5
Submitted By: Matt Brown (mattgbrown)
Assigned to: Nobody/Anonymous (nobody)
Summary: Error handler needlessly sets Pragma: no-cache

Initial Comment:
The error handler sets Pragma: no-cache whenever it
handles an error, regardless of whether the error
actually results in an error message being displayed to
the user or not. 

Because there are several minor bugs in the PHPwiki
syntax (which the error handler appears to always
ignore) that cause errors on every page this makes
EVERY page in the wiki uncachable!

The attached patch modifies the error handler to only
set no-cache headers when an error is actually output
to the browser.

This patch can be found as r54 in the WLUG svn
repository at
http://svn.wlug.org.nz/viewcvs?root=wiki&rev=54&view=rev

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