[groff] 31/39: [docs]: Fix content nit.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit a6338f7971fdffcf0771a8f40d6769196ac287e9
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sun Oct 9 11:07:46 2022 -0500

    [docs]: Fix content nit.
    
    * doc/groff.texi (Page Geometry): Clarify; there are many coordinate
      systems.
    * man/roff.7.man (Page geometry): Sync.
---
 doc/groff.texi | 8 ++++----
 man/roff.7.man | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/doc/groff.texi b/doc/groff.texi
index bc5569ad8..6ccd433b8 100644
--- a/doc/groff.texi
+++ b/doc/groff.texi
@@ -5605,10 +5605,10 @@ its resolution and page dimensions (@pxref{DESC File 
Format}).
 
 @cindex page
 A @dfn{page} is a two-dimensional structure upon which a @code{roff}
-system imposes a coordinate system with its upper left corner as the
-origin.  Coordinate values are in basic units and increase down and to
-the right.  Useful ones are therefore always positive and within numeric
-ranges corresponding to the page boundaries.
+system imposes a rectangular coordinate system with its upper left
+corner as the origin.  Coordinate values are in basic units and increase
+down and to the right.  Useful ones are therefore always positive and
+within numeric ranges corresponding to the page boundaries.
 
 @cindex drawing position
 @cindex position, drawing
diff --git a/man/roff.7.man b/man/roff.7.man
index 04bdf4045..d37f1ea14 100644
--- a/man/roff.7.man
+++ b/man/roff.7.man
@@ -512,8 +512,8 @@ A
 .I page
 is a two-dimensional structure upon which a
 .I roff
-system imposes a coordinate system with its upper left corner as the
-origin.
+system imposes a rectangular coordinate system with its upper left
+corner as the origin.
 .
 Coordinate values are in basic units and increase down and to the right.
 Useful ones are therefore always positive and within numeric ranges
@@ -849,11 +849,11 @@ and Multics.
 ancestor
 .I RUNOFF
 was written in the MAD language by Jerry Saltzer
-to prepare his Ph.D.\& thesis using the Compatible Time Sharing System
+to prepare his Ph.D.\& thesis on the Compatible Time Sharing System
 (CTSS),
 a project of the Massachusetts Institute of Technology (MIT).
 .
-The program is generally referred to in full capitals,
+This program is referred to in full capitals,
 both to distinguish it from its many descendants,
 and because bits were expensive in those days;
 five- and six-bit character encodings were still in widespread usage,