[groff] 12/40: doc/ms.ms (Basic information): Discuss strings.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 930a6c4894b7a596cdb569016f8ef57a77999c98
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sat Feb 6 15:03:44 2021 +1100

    doc/ms.ms (Basic information): Discuss strings.
---
 doc/ms.ms | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/doc/ms.ms b/doc/ms.ms
index d28fe6d..54cdc07 100644
--- a/doc/ms.ms
+++ b/doc/ms.ms
@@ -100,14 +100,23 @@ Basic information
 .XS
        Basic information
 .XE
+.
+.
 .LP
+.I ms
+exposes many aspects of document layout to user control via
+.I groff
+registers and strings.
+.
 Most
 .I registers
 have a default unit of measurement.
 .
 Specifying a unit explicitly does not cause any problems,
 and can avoid problems in complex situations.
-The following are typical units:
+.
+The following table summarizes typical units.
+.
 .TS
 box;
 cb cb
@@ -127,12 +136,20 @@ P pica (1/6\[sd])
 .LP
 Set registers with using the
 .CW .nr
+request
+and strings with the
+.CW .ds
 request.
-.RS
+.
+.
+.DS
 .CW
 \&.nr PS 12
+\&.ds FAM P
 .R
-.RE
+.DE
+.
+.
 .\" ------------------------
 .if t .bp
 .NH 1