diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/Zsh/builtins.yo | 6 | ||||
| -rw-r--r-- | Doc/Zsh/options.yo | 10 | ||||
| -rw-r--r-- | Doc/Zsh/params.yo | 5 |
3 files changed, 20 insertions, 1 deletions
diff --git a/Doc/Zsh/builtins.yo b/Doc/Zsh/builtins.yo index a7afe42cf..61dc6986f 100644 --- a/Doc/Zsh/builtins.yo +++ b/Doc/Zsh/builtins.yo @@ -1872,7 +1872,11 @@ ifnzman(noderef(Local Parameters))\ retain their special attributes when made local. For each var(name)tt(=)var(value) assignment, the parameter -var(name) is set to var(value). +var(name) is set to var(value). If the assignment is omitted and var(name) +does em(not) refer to an existing parameter, a new parameter is intialized +to empty string, zero, or empty array (as appropriate), em(unless) the +shell option tt(TYPESET_TO_UNSET) is set. When that option is set, +the parameter attributes are recorded but the parameter remains unset. If the shell option tt(TYPESET_SILENT) is not set, for each remaining var(name) that refers to a parameter that is already set, the name and diff --git a/Doc/Zsh/options.yo b/Doc/Zsh/options.yo index 714e8a1a1..6e862fae8 100644 --- a/Doc/Zsh/options.yo +++ b/Doc/Zsh/options.yo @@ -1942,6 +1942,16 @@ If the option is set, they will only be shown when parameters are selected with the `tt(-m)' option. The option `tt(-p)' is available whether or not the option is set. ) +pindex(TYPESET_TO_UNSET) +pindex(NO_TYPESET_TO_UNSET) +pindex(TYPESETTOUNSET) +pindex(NOTYPESETTOUNSET) +item(tt(TYPESET_TO_UNSET) <K> <S>)( +When declaring a new parameter with any of the `tt(typeset)' family of +related commands, the parameter remains unset unless and until a +value is explicity assigned to it, either in the `tt(typeset)' command +itself or as a later assignment statement. +) pindex(VERBOSE) pindex(NO_VERBOSE) pindex(NOVERBOSE) diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo index 36c1ae4c2..a9044336f 100644 --- a/Doc/Zsh/params.yo +++ b/Doc/Zsh/params.yo @@ -393,6 +393,11 @@ is compared to the pattern, and the first matching key found is the result. On failure substitutes the length of the array plus one, as discussed under the description of `tt(r)', or the empty string for an associative array. + +Note: Although `tt(i)' may be applied to a scalar substitution to find +the offset of a substring, the results are likely to be misleading when +searching within substitutions that yield an empty string, or when +searching for the empty substring. ) item(tt(I))( Like `tt(i)', but gives the index of the last match, or all possible |