From d2c01052240ec8d55556a6b2dd6e293f5f07fe32 Mon Sep 17 00:00:00 2001
From: Alexandre Duret-Lutz <adl@lrde.epita.fr>
Date: Thu, 13 Aug 2015 12:05:18 +0200
Subject: [PATCH] * HACKING: Mention that we now need groff.

---
 HACKING | 1 +
 1 file changed, 1 insertion(+)

diff --git a/HACKING b/HACKING
index 4cd55ef0b..39b048787 100644
--- a/HACKING
+++ b/HACKING
@@ -27,6 +27,7 @@ since the generated files they produce are distributed.)
   GNU Flex (the version seems to matters, we used 2.5.35)
   GNU Bison >= 2.7
   GNU Emacs (preferably >= 24 but it may work with older versions)
+  Groff (a.k.a. GNU troff) >= 1.20
   SWIG >= 3.0 (for its better C++11 support)
   Doxygen >= 1.4.0
   Perl, with its Gettext module (it might be called something like