From b79059e638d30d73b95bfec54304c4b1adf3903d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Thu, 24 Jun 2021 15:23:04 +0200
Subject: Fix ./' interpreted as control characters in footnotes

Heirloom troff would interpet '(info.groff)... as a request line.
---
 README.t | 2 +-
 g.tmac   | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/README.t b/README.t
index e8337c6..380818c 100644
--- a/README.t
+++ b/README.t
@@ -497,7 +497,7 @@ see 5.26\~\c
 .i Environments
 in the full GNU troff manual
 .nh
-.c "info \(aq(groff\:.info)Environments\(aq" ). (
+.c "info 'groff\:.info)Environments'" ). (
 .hy
 .) ,
 are configured with the standard troff requests.
diff --git a/g.tmac b/g.tmac
index 098c010..4d15e70 100644
--- a/g.tmac
+++ b/g.tmac
@@ -219,9 +219,18 @@ ___________________
 . br
 . sp 1p
 . (e @f
+.
+. \" escape control characters
+. char . \&.
+. char ' \&'
+.
 . @n
 . br
 .
+. \" restore control characters
+. char . .
+. char ' '
+.
 . \" clear footnotes
 . ch @tn
 . nr @.t 0
-- 
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