Wikipedia:History bug reports: Difference between revisions

Revision as of 11:55, 24 July 2002

Latest revision as of 06:33, 11 June 2006

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{{historical}}

'''This is an archive only of bug reports from Phase II of the Wikipedia software (used before [[June 20]], [[2002]]). Please see [[Wikipedia:Bug reports]] for instructions on adding bug reports for the current system.'''

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'''Zero disappearing from diffs'''

The numeral "0" doesn't show up in the text of a diff when it comes immediately after a bracketing delimiter ("(", "[", "{"). See the history of [[unit interval]] for examples of each of these. In the HTML source of the diff file, the "0" simply isn't there. The problem doesn't happen with other numerals. -- [[userUser:Toby Bartels|Toby Bartels]] (2002/04/17)

:There's a fun "feature" in PHP whereby the string "0" is sometimes considered to be equal to the empty string "" because, as far as I can tell, a numerical comparison is being used. This sounds suspiciously like an instance of that problem; I'll look into it... [[user:Brion VIBBER|Brion VIBBER]], Wednesday, April 17, 2002

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Here's another bug that I suspect is related. A less than symbol ("<") that's the beginning of an HTML tag will sometimes be displayed in the diff as "<" instead of "<". This again occurs after a bracketing delimiter. As for >, an analogous effect occurs ''before'' a bracketing delimiter. For an example of this, see the diff for my edit today of [[ring ideal]]. -- [[user:Toby Bartels|Toby Bartels]] again (2002/05/05)

PS: I did a little experimenting -- see the history of [[user:Toby Bartels/sandbox]] -- and found it amazingly difficult to reproduce the effect. I could reproduce it with "0" only when the "0" was in red, and couldn't manage to reproduce it with "<" and ">" at all under a general condition. Take a look, if this might help.

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The latest (08:29 today) diff on this page returns the result:

:<b>'''Line 188</b>''':

:<b>'''Fatal error</b>''':

:Maximum execution

:time of 30 seconds

:exceeded in <b>'''/home/wiki-</b>'''

:<b>'''newest/work-</b>'''

:<b>'''http/difflib.php</b>''' on

:line <b>'''267</b>'''

:&nbsp;&lt;table border="1"&gt;

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I've just made an edit to the article.

The diff for my new edit shows up fine, but the 08:29 diff still fails.

(The only difference is that it's now line <b>'''258</b>''' instead of line <b>'''267</b>'''.)

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