Last modified: 2006-12-18 01:14:03 UTC

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Bug 8110 - ISBN-recognition fails on (older) ISBN divided by spaces
ISBN-recognition fails on (older) ISBN divided by spaces
Status: RESOLVED FIXED
Product: MediaWiki
Classification: Unclassified
Parser (Other open bugs)
unspecified
PC Linux
: Normal normal (vote)
: ---
Assigned To: Nobody - You can work on this!
http://de.wikipedia.org/wiki/Benutzer...
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2006-12-01 02:00 UTC by Sebastiano
Modified: 2006-12-18 01:14 UTC (History)
0 users

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description Sebastiano 2006-12-01 02:00:43 UTC
Older ISBN may be internally divided by hyphens or spaces. The software
recognizes divisions by hyphen correctly but not ISBN divided by spaces.

If a space would be added to the string search (e. g. (regex) "ISBN
([0123456789-Xx ]+)" instead of (regex) "ISBN ([0123456789-Xx]+)") this bug
could be fixed.
Comment 1 Ilmari Karonen 2006-12-01 02:12:22 UTC
[[ISBN]] says both hyphens and spaces are valid, so I guess this should be
fixed.  But in the mean time, you could work around it by just using hyphens
instead -- it's not as if the choice delimiters actually means anything.
Comment 2 Ilmari Karonen 2006-12-01 02:41:35 UTC
Fixed in r18074.
Comment 3 JePe 2006-12-02 16:18:16 UTC
A hyphen with a space on each side is also sometimes used as a delimiter between
the ISBN and the other text on a line. So, a good fix shall also check that a
space and a hyphen may not occur next to each other in a link. For example:

ISBN 123456789 - 2005

In this case the year may not become a part of the ISBN link.
Comment 4 JePe 2006-12-18 00:40:14 UTC
The example above now makes a link for the ISBN including the year, so it looks
for ISBN 1234567892005 on Special:Booksources.

See [[User:JePe/temp]]
Comment 5 Aryeh Gregor (not reading bugmail, please e-mail directly) 2006-12-18 01:08:01 UTC
It could be expanded to

(?:[0-9]{3}[-\ ]?)?[0-9]+[-\ ]?[0-9]+[-\ ]?[0-9]+[-\ ]?[0-9xX]

but that's quite a bit ickier than

[0-9Xx\ \-]+

I don't think it would make a noticeable difference to execution time, though.
Comment 6 Ilmari Karonen 2006-12-18 01:14:03 UTC
Fixed in r18415.  This change makes the magic ISBN detection much stricter; it
should still match all valid ISBNs, but there might be some breakage somewhere
if someone had previously relied on it matching invalid ones as well.

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