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When text is inserted by insertLine() the lines following the
insertion are moved down and the insertion point is made the new
current line. To avoid too much scanning of the linked list of
lines setCurNum() may use the position of the old current line to
determine the location of the new current line.
If the insertion point is before the old current line in the file
the latter will have been moved down, so its line pointer needs to
be adjusted.
function old new delta
insertLine 162 180 +18
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(add/remove: 0/0 grow/shrink: 1/0 up/down: 18/0) Total: 18 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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