Since cwm(1) uses the same parser as others in src, document how

comments and line extensions work.  Taken from sthen@'s recent
commit in src.

ok sthen@

1 files changed, 15 insertions, 3 deletions

diff --git a/cwmrc.5 b/cwmrc.5
index 24f3e52..f9dd9f5 100644
--- a/cwmrc.5
+++ b/cwmrc.5
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: cwmrc.5,v 1.37 2011/06/24 06:09:26 okan Exp $
+.\"	$OpenBSD: cwmrc.5,v 1.38 2011/06/25 13:12:56 okan Exp $
 .\"
 .\" Copyright (c) 2004,2005 Marius Aamodt Eriksen <marius@monkey.org>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: June 24 2011 $
+.Dd $Mdocdate: June 25 2011 $
 .Dt CWMRC 5
 .Os
 .Sh NAME
@@ -24,7 +24,19 @@
 This manual page describes the
 .Xr cwm 1
 configuration file.
-The following options are accepted in the configuration file:
+.Pp
+The current line can be extended over multiple lines using a backslash
+.Pq Sq \e .
+Comments can be put anywhere in the file using a hash mark
+.Pq Sq # ,
+and extend to the end of the current line.
+Care should be taken when commenting out multi-line text:
+the comment is effective until the end of the entire block.
+.Pp
+Arguments containing whitespace should be surrounded by double quotes
+.Pq \&" .
+.Pp
+The following options are accepted:
 .Pp
 .Bl -tag -width Ds -compact
 .It Ic autogroup Ar group windowname