On 11/06/11 13:22, Axel Bender wrote:
Having obtained the current byte index using col("."), I can't
simply add n to/subtract n from the return value of col(".")
to find the beginning of the next/previous multi-byte
character (the -1 offset is ok because there's a base bias). I
could use col(".") repeatedly but I would have to move the
cursor ("normal l" or "normal h") beforehand. Also, I could
write a function that would analyze the UTF-8 header bits
("11110", "1110", "110", or "10") to determine the required
position, but I was hoping that there's another (easier) way
to accomplish this.
Is there a big picture we can help work towards?
One method that occurs to me is possibly something like
match(getline('.'), '\%'.MYCOL.'c\k')
which I haven't tested, but it might get you the info you need
since the docs on match() indicate that it may have the indexing
smarts regarding multibyte characters.
-tim
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