DOC: word converter ignores delimiters at the start or end of input string

The comments for match_word() in pattern.c mention that delimiters
at the start or end of the input string will be ignored, but this
is not mentionned in the documentation.

Backport to all supported versions.

(cherry picked from commit 882093249a5e2261040f1107a74b6d2581a25932)
Signed-off-by: Willy Tarreau <w@1wt.eu>
(cherry picked from commit 89285bff8c969fbb2cd5ea5224bcc158f3d5bfb0)
Signed-off-by: Willy Tarreau <w@1wt.eu>
1 file changed