[groff] 20/38: tmac/pdf.tmac: Add inclusion guard.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit d941e8ad2e92f1ce98c28a3f9afbb5357748508f
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Thu Sep 29 06:49:30 2022 -0500

    tmac/pdf.tmac: Add inclusion guard.
    
    * tmac/pdf.tmac: Add inclusion guard; if a `pdfmark` macro is already
      defined, skip inclusion of this file.  Unfortunately there are
      multiple name collisions with pdfmark.tmac.
---
 ChangeLog     | 6 ++++++
 tmac/pdf.tmac | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 9fd22d380..1419cf493 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2022-09-29  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * tmac/pdf.tmac: Add inclusion guard; if a `pdfmark` macro is
+       already defined, skip inclusion of this file.  Unfortunately
+       there are multiple name collisions with pdfmark.tmac.
+
 2022-09-28  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * src/roff/troff/input.cpp:
diff --git a/tmac/pdf.tmac b/tmac/pdf.tmac
index 1d058619e..6d112ae7c 100644
--- a/tmac/pdf.tmac
+++ b/tmac/pdf.tmac
@@ -31,6 +31,8 @@ am solely responsible for any bugs I may have introduced into 
this file.
 .do nr *groff_pdf_tmac_C \n[.cp]
 .cp 0
 .
+.if d pdfmark .nx
+.
 .mso ps.tmac
 .
 .de pdf:SS