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Consider fundamental-mode as ultimate ancestor

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* yasnippet.el (yas--modes-to-activate): If a mode doesn't have a
`derived-mode-parent' property, use `fundamental-mode'.
* yasnippet-tests.el (loading-with-cyclic-parenthood)
(issue-492-and-494): Expect fundamental-mode to be active.
* doc/snippet-expansion.org (Eligible snippets): Mention that
fundamental-mode is a fallback parent mode.
This commit is contained in:
Noam Postavsky
2018-08-17 20:10:37 -04:00
parent 760f77afb9
commit 845222774b
3 changed files with 14 additions and 7 deletions
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10
doc/snippet-expansion.org
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@@ -161,11 +161,13 @@ In particular, the following things matter:
=M-x describe-variable RET major-mode RET= to find out which major
mode you are in currently.
- Parent tables
- Parent tables
Snippet tables defined as the parent of some other eligible table are
also considered. This works recursively, i.e. parents of parents of
eligible tables are also considered.
Snippet tables defined as the parent of some other eligible table
are also considered. This works recursively, i.e., parents of
parents of eligible tables are also considered. As a special case,
if a mode doesn't have a parent, then =fundamental-mode= is
considered to be its parent.
- Buffer-local list of extra modes