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patch 8.0.0542: getpos() can return a negative line number

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Problem:    getpos() can return a negative line number. (haya14busa)
Solution:   Handle a zero topline and botline. (closes #1613)
This commit is contained in:
Bram Moolenaar
2017-04-03 22:02:55 +02:00
parent 04000560ca
commit a1d5fa65bc
3 changed files with 11 additions and 4 deletions
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6
runtime/doc/eval.txt
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@@ -5413,8 +5413,10 @@ line({expr}) The result is a Number, which is the line number of the file
$ the last line in the current buffer
'x position of mark x (if the mark is not set, 0 is
returned)
w0 first line visible in current window
w$ last line visible in current window
w0 first line visible in current window (one if the
display isn't updated, e.g. in silent Ex mode)
w$ last line visible in current window (this is one
less than "w0" if no lines are visible)
v In Visual mode: the start of the Visual area (the
cursor is the end). When not in Visual mode
returns the cursor position. Differs from |'<| in