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[groff] Warning in lj4_font(5)

From: Colin Watson
Subject: [groff] Warning in lj4_font(5)
Date: Fri, 9 Mar 2018 19:28:23 +0000
User-agent: NeoMutt/20170113 (1.7.2)

  $ groff -e -mandoc -Z -wmac -Tutf8 <src/devices/grolj4/ 
  eqn:<standard input>:122: unquoted escape

\~ in eqn input produces this warning.  It's not clear to me that we get
much benefit from using eqn in this page just for this one somewhat
malformed chunk of input (it also arguably ought to be using "times"
rather than "\[mu]" if it's going to be using eqn anyway).  How about
something like this?  Or is there a better approach?

diff --git a/src/devices/grolj4/ 
index 6e4cf51..6621fa6 100644
--- a/src/devices/grolj4/
+++ b/src/devices/grolj4/
@@ -1,4 +1,3 @@
-'\" e
 .TH LJ4_FONT @MAN5EXT@ "@MDATE@" "Groff Version @VERSION@"
 lj4_font \- groff fonts for use with devlj4
@@ -118,10 +117,7 @@ or any combination
 2400 and 3175)
 for which
-res\~\[mu]\~unitwidth = 7\|620\|000.
 Although HP PCL\~5 LaserJet printers support an internal resolution of
 7200 units per inch,
 they use a 16-bit signed integer for cursor positioning;


Colin Watson                                       address@hidden

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