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patch 8.2.3900: it is not easy to use a script-local function for an option

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Problem:    It is not easy to use a script-local function for an option.
Solution:   recognize s: and <SID> at the start of the expression. (Yegappan
            Lakshmanan, closes #9401)
This commit is contained in:
Yegappan Lakshmanan
2021-12-26 10:51:39 +00:00
committed by Bram Moolenaar
parent ec86520f94
commit 8bb65f230d
13 changed files with 265 additions and 8 deletions
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10
runtime/doc/diff.txt
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@ -398,6 +398,11 @@ mode, so that a CTRL-Z doesn't end the text on DOS.
The `redraw!` command may not be needed, depending on whether executing a
shell command shows something on the display or not.
If the 'diffexpr' expression starts with s: or |<SID>|, then it is replaced
with the script ID (|local-function|). Example: >
set diffexpr=s:MyDiffExpr()
set diffexpr=<SID>SomeDiffExpr()
<
*E810* *E97*
Vim will do a test if the diff output looks alright. If it doesn't, you will
get an error message. Possible causes:
@ -449,4 +454,9 @@ evaluating 'patchexpr'. This hopefully avoids that files in the current
directory are accidentally patched. Vim will also delete files starting with
v:fname_in and ending in ".rej" and ".orig".
If the 'patchexpr' expression starts with s: or |<SID>|, then it is replaced
with the script ID (|local-function|). Example: >
set patchexpr=s:MyPatchExpr()
set patchexpr=<SID>SomePatchExpr()
<
vim:tw=78:ts=8:noet:ft=help:norl: