diff options
Diffstat (limited to 'runtime/doc/eval.txt')
| -rw-r--r-- | runtime/doc/eval.txt | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt index 6649bebedb..a17808e298 100644 --- a/runtime/doc/eval.txt +++ b/runtime/doc/eval.txt @@ -9631,15 +9631,10 @@ This does NOT work: > If the system does not support deleting an environment variable, it is made empty. - *:cons* *:const* *E996* + *:cons* *:const* :cons[t] {var-name} = {expr1} :cons[t] [{name1}, {name2}, ...] = {expr1} -:cons[t] [{name1}, {name2}, ...] .= {expr1} :cons[t] [{name}, ..., ; {lastname}] = {expr1} -:cons[t] {var-name} =<< [trim] {marker} -text... -text... -{marker} Similar to |:let|, but additionally lock the variable after setting the value. This is the same as locking the variable with |:lockvar| just after |:let|, thus: > @@ -9653,7 +9648,11 @@ text... |:const| does not allow to for changing a variable. > :let x = 1 :const x = 2 " Error! -< +< *E996* + Note that environment variables, option values and + register values cannot be used here, since they cannot + be locked. + :lockv[ar][!] [depth] {name} ... *:lockvar* *:lockv* Lock the internal variable {name}. Locking means that it can no longer be changed (until it is unlocked). |