mdocml: Document .Bk and .Ek; reminded by kristaps@.

mdocml: Document .Bk and .Ek; reminded by kristaps@.

[schwarze]

Log Message:
-----------
Document .Bk and .Ek; reminded by kristaps@.

Modified Files:
--------------
    mdocml:
        mdoc.7

Revision Data
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Index: mdoc.7
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc.7,v
retrieving revision 1.126
retrieving revision 1.127
diff -Lmdoc.7 -Lmdoc.7 -u -p -r1.126 -r1.127
--- mdoc.7
+++ mdoc.7
@@ -1116,6 +1116,25 @@ and
 .Sx \&Dl .
 .Ss \&Bf
 .Ss \&Bk
+Begins a keep block, containing a collection of macros or text
+to be kept together in the output.
+One argument is required; additional arguments are ignored.
+Currently, the only argument implemented is
+.Fl words ,
+requesting to keep together all words of the contained text
+on the same output line.
+A
+.Fl lines
+argument to keep together all lines of the contained text
+on the same page has been desired for a long time,
+but has never been implemented.
+.Pp
+Examples:
+.Bd -literal -offset indent
+\&.Bk \-words
+\&.Op o Ar output_file
+\&.Ek
+.Ed
 .Ss \&Bl
 Begins a list composed of one or more list entries.
 A list is associated with a type, which is a required argument.
@@ -1589,6 +1608,8 @@ and
 .Ss \&Ed
 .Ss \&Ef
 .Ss \&Ek
+Ends a keep context started by
+.Sx \&Bk .
 .Ss \&El
 Ends a list context started by
 .Sx \&Bl .
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