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-rw-r--r--Doc/Zsh/arith.yo5
1 files changed, 4 insertions, 1 deletions
diff --git a/Doc/Zsh/arith.yo b/Doc/Zsh/arith.yo
index 20456b924..33ca09c20 100644
--- a/Doc/Zsh/arith.yo
+++ b/Doc/Zsh/arith.yo
@@ -21,7 +21,10 @@ command which begins with a `tt(LPAR()LPAR())', all the characters until a
 matching `tt(RPAR()RPAR())' are treated as a quoted expression and
 arithmetic expansion performed as for an argument of tt(let).  More
 precisely, `tt(LPAR()LPAR())var(...)tt(RPAR()RPAR())' is equivalent to
-`tt(let ")var(...)tt(")'.  For example, the following statement
+`tt(let ")var(...)tt(")'.  The return status is 0 if the arithmetic value
+of the expression is non-zero, and 1 otherwise.
+
+For example, the following statement
 
 example((( val = 2 + 1 )))