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patch 9.0.1717: virtcol2col returns last byte of a multi-byte char

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Problem: virtcol2col returns last byte of a multi-byte char
Solution: Make it return the first byte for a multi-byte char

closes: #12786
closes: #12799

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
This commit is contained in:
Yegappan Lakshmanan
2023-08-15 23:01:44 +02:00
committed by Christian Brabandt
parent 15a0a0281a
commit b209b86e66
4 changed files with 34 additions and 1 deletions
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3
runtime/doc/builtin.txt
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@@ -10347,6 +10347,9 @@ virtcol2col({winid}, {lnum}, {col}) *virtcol2col()*
{lnum}, then the byte index of the character at the last
virtual column is returned.
For a multi-byte character, the column number of the first
byte in the character is returned.
The {winid} argument can be the window number or the
|window-ID|. If this is zero, then the current window is used.