On 15-Mar-2010 11:21, Gregor Uhlenheuer wrote:
Since you nearly guessed my use of col() - I want to get the length of
the current line - thank you for the tip with the substitution. I
figured that using virtcol() is probably more appropriate for that
purpose.
Well, call it psychic debugging power ;-)
To prevent anyone reading this from falling into another trap, I'd like to
stress that virtcol() and the substitution I suggested are *not equivalent*!
The substitution counts the number of characters (as in "ABC" = 3), whereas
virtcol() is concerned with the screen width that characters occupy (as in "A" =
one column, "<Tab>" = 1..8 columns, "^V" (or other unprintable chars or the
whole range of double-width Asian Kanji characters = 2).
In short, if you're concerned with indenting or fitting text into a given width,
use virtcol(), if you're interested in the number of chars, use the substitution
count, and use col() for the physical number of bytes used to represent the string.
-- regards, ingo
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