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Diffstat (limited to 'runtime/doc/eval.txt')
| -rw-r--r-- | runtime/doc/eval.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index 050b48960a..730a5d11c4 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -9939,6 +9939,14 @@ 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). |