[src/trunk]: src/lib/libterminfo terminfo: Add a comment for prior change.

[roy <roy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/84fed74fbd72
branches:  trunk
changeset: 970572:84fed74fbd72
user:      roy <roy%NetBSD.org@localhost>
date:      Sat Mar 28 15:27:54 2020 +0000

description:
terminfo: Add a comment for prior change.

diffstat:

 lib/libterminfo/compile.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r e8ffb0e6afa3 -r 84fed74fbd72 lib/libterminfo/compile.c
--- a/lib/libterminfo/compile.c Sat Mar 28 15:25:53 2020 +0000
+++ b/lib/libterminfo/compile.c Sat Mar 28 15:27:54 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: compile.c,v 1.18 2020/03/28 15:25:53 roy Exp $ */
+/* $NetBSD: compile.c,v 1.19 2020/03/28 15:27:54 roy Exp $ */
 
 /*
  * Copyright (c) 2009, 2010, 2011, 2020 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: compile.c,v 1.18 2020/03/28 15:25:53 roy Exp $");
+__RCSID("$NetBSD: compile.c,v 1.19 2020/03/28 15:27:54 roy Exp $");
 
 #if !HAVE_NBTOOL_CONFIG_H || HAVE_SYS_ENDIAN_H
 #include <sys/endian.h>
@@ -158,6 +158,10 @@
        char *name;
 
        if (rtype == TERMINFO_RTYPE) {
+               /* , and | are the two print characters now allowed
+                * in terminfo aliases or long descriptions.
+                * As | is generally used to delimit aliases inside the
+                * description, we use a comma. */
                if (asprintf(&name, "%s,v3", orig) < 0)
                        name = NULL;
        } else {