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Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/Zsh/params.yo | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo index 1ed1e2a0f..86f9c7d29 100644 --- a/Doc/Zsh/params.yo +++ b/Doc/Zsh/params.yo @@ -632,7 +632,17 @@ The version number of this zsh. enditem() texinode(Parameters Used By The Shell)()(Parameters Set By The Shell)(Parameters) sect(Parameters Used By The Shell) -The following parameters are used by the shell: +The following parameters are used by the shell. + +In cases where there are two parameters with an upper- and lowercase +form of the same name, such as tt(path) and tt(PATH), the lowercase form +is an array and the uppercase form is a scalar with the elements of the +array joined together by colons. These are similar to tied parameters +created via `tt(typeset -T)'. The normal use for the colon-separated +form is for exporting to the environment, while the array form is easier +to manipulate within the shell. Note that unsetting either of the pair +will unset the other; they retain their special properties when +recreated, and recreating one of the pair will recreate the other. startitem() vindex(ARGV0) |