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Diffstat (limited to 'Doc/Zsh/params.yo')
| -rw-r--r-- | Doc/Zsh/params.yo | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo index c52b6ba91..59e964519 100644 --- a/Doc/Zsh/params.yo +++ b/Doc/Zsh/params.yo @@ -4,9 +4,13 @@ cindex(parameters) cindex(variables) sect(Description) A parameter has a name, a value, and a number of attributes. -A name may be any sequence of alphanumeric -characters and underscores, or the single characters -`tt(*)', `tt(@)', `tt(#)', `tt(?)', `tt(-)', `tt($)', or `tt(!)'. +User-assignable parameter names may contain alphanumeric characters, +underscores, and (per the description of namespaces below) dots. +They may not begin with a number, except for positional parameters +(tt($1), tt($2), etc.), whose names consist em(only) of numbers. There +are also special shell parameters with single-character names such as +`tt(*)', `tt(@)', `tt(#)', `tt(?)', `tt(-)', `tt($)', and `tt(!)'. +These are described below. A parameter whose name begins with an alphanumeric or underscore is also referred to as a em(variable). |