Allow <blank>s to be used to separate tab stop positions with the -t

argument, not just ASCII space characters and commas. Don't count
non-printing characters when determining column position.

1 files changed, 12 insertions, 0 deletions

diff --git a/usr.bin/expand/expand.1 b/usr.bin/expand/expand.1
index 99d89a0a3af6..812691f348f6 100644
--- a/usr.bin/expand/expand.1
+++ b/usr.bin/expand/expand.1
@@ -95,6 +95,18 @@ are reconverted to maximal strings of tabs.  If the
 option is given, then tabs are inserted whenever they would compress the
 resultant file by replacing two or more characters.
 .El
+.Sh ENVIRONMENT
+The
+.Ev LANG ,
+.Ev LC_ALL
+and
+.Ev LC_CTYPE
+environment variables affect the execution of
+.Nm expand
+and
+.Nm unexpand
+as described in
+.Xr environ 7 .
 .Sh STANDARDS
 The
 .Nm expand