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updated for version 7.4.293

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Problem:    It is not possible to ignore composing characters at a specific
            point in a pattern.
Solution:   Add the %C item.
This commit is contained in:
Bram Moolenaar
2014-05-13 19:37:29 +02:00
parent 6082bea6ac
commit 8df5acfda9
4 changed files with 69 additions and 13 deletions
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15
runtime/doc/pattern.txt
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@@ -545,6 +545,7 @@ Character classes {not in Vi}: */character-classes*
|/\%u| \%u \%u match specified multibyte character (eg \%u20ac)
|/\%U| \%U \%U match specified large multibyte character (eg
\%U12345678)
|/\%C| \%C \%C match any composing characters
Example matches ~
\<\I\i* or
@@ -1207,12 +1208,18 @@ will probably never match.
8. Composing characters *patterns-composing*
*/\Z*
When "\Z" appears anywhere in the pattern, composing characters are ignored.
Thus only the base characters need to match, the composing characters may be
different and the number of composing characters may differ. Only relevant
when 'encoding' is "utf-8".
When "\Z" appears anywhere in the pattern, all composing characters are
ignored. Thus only the base characters need to match, the composing
characters may be different and the number of composing characters may differ.
Only relevant when 'encoding' is "utf-8".
Exception: If the pattern starts with one or more composing characters, these
must match.
*/\%C*
Use "\%C" to skip any composing characters. For example, the pattern "a" does
not match in "càt" (where the a has the composing character 0x0300), but
"a\%C" does. Note that this does not match "cát" (where the á is character
0xe1, it does not have a compositing character). It does match "cat" (where
the a is just an a).
When a composing character appears at the start of the pattern of after an
item that doesn't include the composing character, a match is found at any