https://bugzilla.wikimedia.org/show_bug.cgi?id=27987
Summary: Function ccnorm shouldn't convert "I" and "L" to "1",
"O" to "0" and "S" to "5"
Product: MediaWiki
Version: 1.17
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: Normal
Component: General/Unknown
AssignedTo: [email protected]
ReportedBy: [email protected]
Currently the result of
------------------------------------------------
ccnorm("ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuwxyz")
------------------------------------------------
is
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ABCDEFGH1JK1MN0PQR5TUVWXYZ_ABCDEFGH1JK1MN0PQR5TUWXYZ
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This makes the creation of filters on [[Special:AbuseFilter]] not intuitive,
since if we want to catch all variations of a word like "testing" and try to
use something like
------------------------------------------------
words :="TESTING|VANDALIZING";
ccnorm(added_lines) rlike words)
& !(ccnorm(removed_lines) rlike words)
------------------------------------------------
it won't work. Instead of this natural approach, the text would need to be
changed to
------------------------------------------------
words :="TE5T1NG|VANDA11Z1NG";
------------------------------------------------
You can confirm the problem on [[Special:AbuseFilter/tools]], by using the
following:
------------------------------------------------
words :="TESTING|VANDALIZING";
ccnorm("I'm testing here. I'm vandalizing the article!") rlike words
------------------------------------------------
The regex above will not match, but it will match in the following:
------------------------------------------------
words := "TE5T1NG|VANDA11Z1NG";
ccnorm("I'm testing here. I'm vandalizing the article!") rlike words
------------------------------------------------
Could this be fixed?
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