[groff] 02/10: man/groff.7.man: Fix content nits.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit cbe2a11abe6deb3258084b8be5216d71db8c0905
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Tue Nov 9 20:41:51 2021 +1100

    man/groff.7.man: Fix content nits.
    
    * Recast to be more honest with people who think like parsers.
    * Clarify how AT&T troff (technically, nroff) contributed to roff
      operator syntax.
---
 man/groff.7.man | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/man/groff.7.man b/man/groff.7.man
index fe9dd94..e5afa71 100644
--- a/man/groff.7.man
+++ b/man/groff.7.man
@@ -857,7 +857,9 @@ Scale by 65536.
 .
 .P
 .B Numerical expressions
-are combinations of operators with the numerical values discussed above.
+are combinations of
+(zero or more)
+operators with the numerical values discussed above.
 .
 Arithmetic operators are parsed strictly from left to right;
 traditional algebraic precedence is not observed.
@@ -871,8 +873,11 @@ to specify operator precedence.
 Parentheses also permit the use of spaces between operators and their
 arguments.
 .
-Several operators were defined by AT&T
-.IR troff . \" AT&T
+AT&T
+.I troff \" AT&T
+originated several
+.I roff
+operators.
 .
 .
 .P