[groff] 02/06: groff_man(7): Update portability findings.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 0513c48d2f47fe6e79b15426b6f9f25dbde64b0f
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sun Aug 9 14:56:13 2020 +1000

    groff_man(7): Update portability findings.
    
    ...mainly to note that Solaris 10 doesn't support GNU extensions, or
    even late Research Unix extensions.
    
    Also set noun phrases "Plan 9" and "Solaris 10" so they don't break.
---
 tmac/groff_man.7.man | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/tmac/groff_man.7.man b/tmac/groff_man.7.man
index 366b0f1..09ee62e 100644
--- a/tmac/groff_man.7.man
+++ b/tmac/groff_man.7.man
@@ -527,11 +527,15 @@ package.
 Many systems running
 AT&T,
 Heirloom Doctools,
-or Plan 9
+or Plan\~9
 .I troff
 support them.
-.\" However, Plan 9 troff's .EX/.EE don't manipulate filling or
-.\" hyphenation, so AT&T Unix's probably didn't either.
+.\" Solaris 10 troff does not support .EX/.EE.
+.\"
+.\" Plan 9 troff does, but its implementation doesn't manipulate filling
+.\" or hyphenation, so AT&T Unix's probably didn't either.
+.\"
+.\" Neatroff and DWB 3.3 troff/onroff don't ship (m)an macros.
 .
 To be certain your page will be portable to systems that do not,
 copy their definitions from the
@@ -698,7 +702,11 @@ handled as with
 .
 .
 .IP
-This macro is not defined on systems running AT&T or Plan\~9
+This macro is not defined on systems running
+AT&T,
+Plan\~9,
+or
+Solaris\~10
 .IR troff .
 .
 To be certain your page will be portable to those systems,
@@ -801,7 +809,11 @@ with command-line options of some formats indicated by
 .
 .
 .PP
-These macros are not defined on systems running AT&T or Plan\~9
+These macros are not defined on systems running
+AT&T,
+Plan\~9,
+or
+Solaris\~10
 .IR troff .
 .
 To be certain your page will be portable to those systems,
@@ -1028,7 +1040,11 @@ and URL hyperlinks with
 .
 .
 .PP
-These macros are not defined on systems running AT&T or Plan\~9
+These macros are not defined on systems running
+AT&T,
+Plan\~9,
+or
+Solaris\~10
 .IR troff .
 .
 To be certain your page will be portable to those systems,