diff options
Diffstat (limited to 'Doc/Zsh/options.yo')
| -rw-r--r-- | Doc/Zsh/options.yo | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Doc/Zsh/options.yo b/Doc/Zsh/options.yo index 25b3d5736..bc182eb7b 100644 --- a/Doc/Zsh/options.yo +++ b/Doc/Zsh/options.yo @@ -753,7 +753,9 @@ pindex(NOUNSET) cindex(parameters, substituting unset) cindex(unset parameters, substituting) item(tt(UNSET) (tt(PLUS()u), ksh: tt(PLUS()u)) <K> <S> <Z>)( -Treat unset parameters as if they were empty when substituting. +Treat unset parameters as if they were empty when substituting, and as if +they were zero when reading their values in arithmetic expansion and +arithmetic commands. Otherwise they are treated as an error. ) pindex(WARN_CREATE_GLOBAL) |