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authorJan Edmund Lazo <janedmundlazo@hotmail.com>2018-10-01 22:57:49 -0400
committerJan Edmund Lazo <janedmundlazo@hotmail.com>2018-10-02 20:44:48 -0400
commit07fbdf4acc3b15ff97acb5c90243c61d938f8541 (patch)
treef43de17d8d0a663c93a711933115cc72afdc8b06 /runtime
parent65206714bc0990a469da5efd2edbe52e81903014 (diff)
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vim-patch:8.0.1832: cannot use :unlet for an environment variable
Problem: Cannot use :unlet for an environment variable. Solution: Make it work. Use unsetenv() if available. (Yasuhiro Matsumoto, closes vim/vim#2855) https://github.com/vim/vim/commit/137374fd6538cf9dee0cb22907728d8fdecb5832
Diffstat (limited to 'runtime')
-rw-r--r--runtime/doc/eval.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 064c08c190..2e1d89c524 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -9136,6 +9136,14 @@ This does NOT work: >
variables are automatically deleted when the function
ends.
+:unl[et] ${env-name} ... *:unlet-environment* *:unlet-$*
+ Remove environment variable {env-name}.
+ Can mix {name} and ${env-name} in one :unlet command.
+ No error message is given for a non-existing
+ variable, also without !.
+ If the system does not support deleting an environment
+ variable, it is made emtpy.
+
:lockv[ar][!] [depth] {name} ... *:lockvar* *:lockv*
Lock the internal variable {name}. Locking means that
it can no longer be changed (until it is unlocked).