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-rw-r--r--Doc/Zsh/arith.yo5
1 files changed, 3 insertions, 2 deletions
diff --git a/Doc/Zsh/arith.yo b/Doc/Zsh/arith.yo
index b18aed94c..29897a233 100644
--- a/Doc/Zsh/arith.yo
+++ b/Doc/Zsh/arith.yo
@@ -86,13 +86,14 @@ if the var(args) is used as a string or a comma-separated list of
 arithmetic expressions. The shell currently defines no mathematical
 functions, but modules may define some.
 
-An expression of the form `tt(#\)var(x)' where var(x) is any character
+An expression of the form `tt(##)var(x)' where var(x) is any character
 sequence such as `tt(a)', `tt(^A)', or `tt(\M-\C-x)' gives the ascii
 value of this character and an expression of the form `tt(#)var(foo)'
 gives the ascii value of the first character of the value of the
 parameter var(foo).  Note that this is different from the expression
 `tt($#)var(foo)', a standard parameter substitution which gives the
-length of the parameter var(foo).
+length of the parameter var(foo).  `tt(#\)' is accepted instead of
+`tt(##)', but its use is deprecated.
 
 Named parameters and subscripted arrays can be referenced by name within an
 arithmetic expression without using the parameter expansion syntax.  For