[groff] 06/09: contrib/chem/chem.pl: Tweak usage message.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit c8e09008f59b211f0a2e598fe09cc43f19e0cb59
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Fri Feb 17 05:35:34 2023 -0600

    contrib/chem/chem.pl: Tweak usage message.
    
    Place ellipsis within option brackets.
    
    See commit 688bbd6489, 22 October.
---
 contrib/chem/chem.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/chem/chem.pl b/contrib/chem/chem.pl
index ca457a9bf..5ca3fa25b 100755
--- a/contrib/chem/chem.pl
+++ b/contrib/chem/chem.pl
@@ -1196,7 +1196,7 @@ sub setparams {
 
 sub usage {
   print <<EOF;
-usage: $chem [file] ...
+usage: $chem [file ...]
 usage: $chem { -h | --help | -v | --version }
 
 $chem is a groff preprocessor for producing chemical structure