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patch 8.2.3908: cannot use a script-local function for 'foldtext'

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Problem:    Cannot use a script-local function for 'foldtext'.
Solution:   Expand "s:" and "<SID>". (Yegappan Lakshmanan, closes #9411)
This commit is contained in:
Yegappan Lakshmanan
2021-12-26 21:54:43 +00:00
committed by Bram Moolenaar
parent c553a21e18
commit 27708e6c7b
9 changed files with 60 additions and 4 deletions
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7
runtime/doc/fold.txt
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@ -122,7 +122,7 @@ Try to avoid the "=", "a" and "s" return values, since Vim often has to search
backwards for a line for which the fold level is defined. This can be slow.
If the 'foldexpr' expression starts with s: or |<SID>|, then it is replaced
with the script ID (|local-function|). Example: >
with the script ID (|local-function|). Examples: >
set foldexpr=s:MyFoldExpr()
set foldexpr=<SID>SomeFoldExpr()
<
@ -529,6 +529,11 @@ The resulting line is truncated to fit in the window, it never wraps.
When there is room after the text, it is filled with the character specified
by 'fillchars'.
If the 'foldtext' expression starts with s: or |<SID>|, then it is replaced
with the script ID (|local-function|). Examples: >
set foldtext=s:MyFoldText()
set foldtext=<SID>SomeFoldText()
<
Note that backslashes need to be used for characters that the ":set" command
handles differently: Space, backslash and double-quote. |option-backslash|