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-rw-r--r--Doc/Zsh/options.yo7
1 files changed, 6 insertions, 1 deletions
diff --git a/Doc/Zsh/options.yo b/Doc/Zsh/options.yo
index d1e1eab52..cdce05aad 100644
--- a/Doc/Zsh/options.yo
+++ b/Doc/Zsh/options.yo
@@ -1721,7 +1721,12 @@ ifzman(the section RESERVED WORDS in zmanref(zshmisc)).
 
 Alias expansion takes place while text is being read; hence when this
 option is set it does not take effect until the end of any function or
-other piece of shell code evaluated as one unit.
+other piece of shell code evaluated as one unit.  Note this may
+cause differences from other shells even when the option is in
+effect.  For example, when running a command with `tt(zsh -c)' the
+entire command argument is parsed in one go, so aliases defined within
+the argument are not available even in later lines.  If in doubt, avoid use
+of aliases in non-interactive code.
 )
 pindex(POSIX_BUILTINS)
 pindex(NO_POSIX_BUILTINS)