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authorBarton E. Schaefer <schaefer@zsh.org>2013-10-19 14:29:52 -0700
committerBarton E. Schaefer <schaefer@zsh.org>2013-10-19 14:29:52 -0700
commitada42926b14b9718b853b3713b02a836f944959d (patch)
treed6070f89f2f9470f4149dbceea2643293c71633f /Doc
parent8879c46a4897a0e347455334fc6b6732c203a220 (diff)
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31849: document effect of KSH_ZERO_SUBSCRIPT on the argv special array
Diffstat (limited to 'Doc')
-rw-r--r--Doc/Zsh/params.yo6
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo
index 97087a1c5..9d951bb38 100644
--- a/Doc/Zsh/params.yo
+++ b/Doc/Zsh/params.yo
@@ -431,9 +431,15 @@ of a shell function, shell script, or the shell itself; see
 noderef(Invocation), and also noderef(Functions).
 The parameter var(n), where var(n) is a number,
 is the var(n)th positional parameter.
+The parameter `tt($0)' is a special case, see
+noderef(Parameters Set By The Shell).
+
 The parameters tt(*), tt(@) and tt(argv) are
 arrays containing all the positional parameters;
 thus `tt($argv[)var(n)tt(])', etc., is equivalent to simply `tt($)var(n)'.
+Note that the options tt(KSH_ARRAYS) or tt(KSH_ZERO_SUBSCRIPT) apply
+to these arrays as well, so with either of those options set,
+`tt(${argv[0]})' is equivalent to `tt($1)' and so on.
 
 Positional parameters may be changed after the shell or function starts by
 using the tt(set) builtin, by assigning to the tt(argv) array, or by direct