Fix docstring for 'parameter-ref'.

* gash/word.scm (parameter-ref): Fix docstring.
2019-08-20 12:22:51 -04:00 · 2019-08-20 12:22:51 -04:00 · 5c1602d5f2
parent 223e8d2635
commit 5c1602d5f2
1 changed files with 2 additions and 1 deletions
--- a/gash/word.scm
+++ b/gash/word.scm
@ -220,7 +220,8 @@ string, the separator is derived from @var{ifs} using

 (define* (parameter-ref name #:optional dflt)
  "Get the value of the variable or special parameter @var{name} from
-the environment.  If @var{name} is unset, return @code{#f}."
+the environment.  If @var{name} is unset, return @var{dflt} if
+provided or @code{#f} if not."
  (match name
    ("@" `(<sh-at> ,(cdr (program-arguments))))
    ("*" (let* ((ifs (or (getvar "IFS")