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vim-patch:8e0d374: runtime(doc): Improve the doc for :syn-containedin (#35785)

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closes: vim/vim#18290

8e0d374e4d

Co-authored-by: Damien Lejay <damien@lejay.be>
Co-authored-by: h_east <h.east.727@gmail.com>
This commit is contained in:
zeertzjq
2025-09-16 07:31:21 +08:00
committed by GitHub
parent 1bafba31f6
commit ddcfa8bb4a
1 changed files with 7 additions and 0 deletions
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7
runtime/doc/syntax.txt
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@@ -4336,6 +4336,12 @@ The "containedin" argument is followed by a list of syntax group names. The
item will be allowed to begin inside these groups. This works as if the item will be allowed to begin inside these groups. This works as if the
containing item has a "contains=" argument that includes this item. containing item has a "contains=" argument that includes this item.
Only the immediate containing item (the one at the top of the syntax stack) is
considered. Vim does not search other ancestors. If the immediate container
neither contains this item via |:syn-contains| nor is named in this item's
"containedin=", the match will not start even if some ancestor would allow it.
Note that a |:syn-transparent| region still enforces its own |:syn-contains| list.
The {group-name}... can be used just like for "contains", as explained above. The {group-name}... can be used just like for "contains", as explained above.
This is useful when adding a syntax item afterwards. An item can be told to This is useful when adding a syntax item afterwards. An item can be told to
@@ -4350,6 +4356,7 @@ Matches for "containedin" are added to the other places where the item can
appear. A "contains" argument may also be added as usual. Don't forget that appear. A "contains" argument may also be added as usual. Don't forget that
keywords never contain another item, thus adding them to "containedin" won't keywords never contain another item, thus adding them to "containedin" won't
work. work.
See also: |:syn-contains|, |:syn-transparent|.
nextgroup={group-name},.. *:syn-nextgroup* nextgroup={group-name},.. *:syn-nextgroup*