[groff] 01/01: Appease "groff -wmac" when using eqn or pic

[Colin Watson]

cjwatson pushed a commit to branch master
in repository groff.

commit 4b3e5417d53d16ac41ccf6a835840ecde1f97a83
Author: Colin Watson <address@hidden>
Date:   Sat Feb 18 03:39:36 2017 +0000

    Appease "groff -wmac" when using eqn or pic
    
    * src/preproc/eqn/main.cpp: Define EQ and EN if they are not already
    defined, to appease "groff -wmac".
    * src/preproc/pic/main.cpp: Likewise for PS and PE.
    
    Fixes: http://bugs.debian.org/495713
---
 ChangeLog                | 8 ++++++++
 src/preproc/eqn/main.cpp | 2 ++
 src/preproc/pic/main.cpp | 4 ++++
 3 files changed, 14 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index e0263e6..861f8d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2017-02-18  Colin Watson  <address@hidden>
+
+       * src/preproc/eqn/main.cpp: Define EQ and EN if they are not already
+       defined, to appease "groff -wmac".
+       * src/preproc/pic/main.cpp: Likewise for PS and PE.
+
+       Fixes: http://bugs.debian.org/495713
+
 2017-02-16  Ingo Schwarze  <address@hidden>
 
        mdoc %T: use typographic quotes
diff --git a/src/preproc/eqn/main.cpp b/src/preproc/eqn/main.cpp
index 44a8a9d..95e418b 100644
--- a/src/preproc/eqn/main.cpp
+++ b/src/preproc/eqn/main.cpp
@@ -377,6 +377,8 @@ int main(int argc, char **argv)
     }
   init_table(device);
   init_char_table();
+  printf(".if !dEQ .ds EQ\n"
+        ".if !dEN .ds EN\n");
   if (output_format == troff) {
     printf(".if !'\\*(.T'%s' "
           ".if !'\\*(.T'html' "        // the html device uses `-Tps' to render
diff --git a/src/preproc/pic/main.cpp b/src/preproc/pic/main.cpp
index 0a8efa1..3bf7d5f 100644
--- a/src/preproc/pic/main.cpp
+++ b/src/preproc/pic/main.cpp
@@ -619,7 +619,11 @@ int main(int argc, char **argv)
     out = make_fig_output();
   else
 #endif
+  {
     out = make_troff_output();
+    printf(".if !dPS .ds PS\n"
+          ".if !dPE .ds PE\n");
+  }
 #ifdef FIG_SUPPORT
   if (whole_file_flag) {
     if (optind >= argc)