diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/sh-utils.texi | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/sh-utils.texi b/doc/sh-utils.texi index fe0df2c06..8ebdfcb70 100644 --- a/doc/sh-utils.texi +++ b/doc/sh-utils.texi @@ -866,7 +866,8 @@ the environment variable, @var{POSIXLY_CORRECT} is set. @end table -The keywords cannot be used as strings. +To make @code{expr} interpret keywords as strings, you must use the +@code{quote} operator. @node Examples of expr @@ -893,6 +894,8 @@ expr index abcdef cz @result{} 3 expr index index a @error{} expr: syntax error +expr index quote index a +@result{} 0 @end example |