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| author | Steve Bennett <steveb@workware.net.au> | 2010-11-02 21:20:36 +1000 |
|---|---|---|
| committer | Steve Bennett <steveb@workware.net.au> | 2010-11-17 07:57:38 +1000 |
| commit | 84ae3392d8b001acb9731be6d95821f32704e3e6 (patch) | |
| tree | 1c9ccea82fd3d62ea4473fa769d23ce6c299304d /jim_tcl.txt | |
| parent | 1c0d153ae8ba3ce430cee55723ed86909453ff65 (diff) | |
| download | jimtcl-84ae3392d8b001acb9731be6d95821f32704e3e6.zip jimtcl-84ae3392d8b001acb9731be6d95821f32704e3e6.tar.gz jimtcl-84ae3392d8b001acb9731be6d95821f32704e3e6.tar.bz2 | |
Updates to the UTF-8 documentation
Signed-off-by: Steve Bennett <steveb@workware.net.au>
Diffstat (limited to 'jim_tcl.txt')
| -rw-r--r-- | jim_tcl.txt | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/jim_tcl.txt b/jim_tcl.txt index 4984655..443f96b 100644 --- a/jim_tcl.txt +++ b/jim_tcl.txt @@ -1372,7 +1372,7 @@ while 'string length' returns the number of characters. If UTF-8 support is not enabled, all commands treat bytes as characters and 'string bytelength' returns the same value as 'string length'. -Note that even if UTF-8 support is not enabled, the {backslash}uNNNN syntax +Note that even if UTF-8 support is not enabled, the +{backslash}uNNNN+ syntax is still available to embed UTF-8 sequences. String Matching @@ -1380,12 +1380,12 @@ String Matching Commands such as 'string match', 'lsearch -glob', 'array names' and others use string pattern matching rules. These commands support UTF-8. For example: - string match a\[\ua0-\ubf\]b "a\a3b" + string match a\[\ua0-\ubf\]b "a\u00a3b" format and scan ~~~~~~~~~~~~~~~ -'format %c' allows a unicode codepoint to be be encoded. For example, the following will return -a string with two bytes and one character. The same as {backslash}ub5 ++format %c+ allows a unicode codepoint to be be encoded. For example, the following will return +a string with two bytes and one character. The same as +{backslash}ub5+ format %c 0xb5 @@ -1394,10 +1394,10 @@ return a string with three characters, not three bytes. format %.3s \ub5\ub6\ub7\ub8 -Similarly, 'scan ... %c' allows a UTF-8 to be decoded to a unicode codepoint. The following will set -*a* to 181 (0xb5) and *b* to '181' and 'b' to 65. +Similarly, +scan ... %c+ allows a UTF-8 to be decoded to a unicode codepoint. The following will set +*a* to 181 (0xb5) and *b* to 65 (0x41). - scan \00b5A %c%c a b + scan \u00b5A %c%c a b 'scan %s' will also accept a character class, including unicode ranges. @@ -1406,7 +1406,7 @@ String Classes 'string is' has *not* been extended to classify UTF-8 characters. Therefore, the following will return 0, even though the string may be considered to be alphabetic. - string is \b5Test + string is alpha \ub5Test This does not affect the string classes 'ascii', 'control', 'digit', 'double', 'integer' or 'xdigit'. |