[groff] 01/01: * contrib/mm/m.tmac: Disable MM macro address@hidden in case output type is not HTML.

[Carsten Kunze]

carstenkunze pushed a commit to branch master
in repository groff.

commit 0a193f02661c1359f99fb04ac9b16c127e227d0e
Author: Carsten Kunze <address@hidden>
Date:   Sat Dec 26 23:44:23 2015 +0100

    * contrib/mm/m.tmac: Disable MM macro address@hidden
      in case output type is not HTML.
    
    (Avoid unwanted space in case a MM macros .H is
     followed immediately by .DS.)
    
    Bug reported by Damian McGuckin <address@hidden>.
---
 ChangeLog         |   13 +++++++++++++
 contrib/mm/m.tmac |    7 +++++++
 2 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 0b01874..8c1dbc4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2015-12-26  Carsten Kunze  <address@hidden>
+
+       * contrib/mm/m.tmac: Disable macro address@hidden in case output
+         type is not HTML.
+
+       This macro did cause unwanted space in case a MM macros .H
+       had been followed immediately by .DS.
+
+       (See also discussion at address@hidden, thread starting at
+       http://lists.gnu.org/archive/html/groff/2015-12/msg00033.html)
+
+       Bug reported by Damian McGuckin <address@hidden>.
+
 2015-12-14  Werner LEMBERG  <address@hidden>
 
        * src/preproc/eqn/text.cpp (entity_table): s/lamda/lambda/.
diff --git a/contrib/mm/m.tmac b/contrib/mm/m.tmac
index 09cc03b..0c54860 100644
--- a/contrib/mm/m.tmac
+++ b/contrib/mm/m.tmac
@@ -736,6 +736,12 @@ in=\\n[.i] fi=\\n[.u] .d=\\n[.d] nl=\\n[nl] pg=\\n[%]
 .\" Wrapper to cancel the side effect of .tag + .br generating
 .\" unwanted vertical space.
 .de address@hidden
+.\" This macro is currently used solely to give information to the
+.\" HTML postprocessor.  If for PostScript or PDF output macro .H
+.\" had been followed by .DS both .H post-space and .DS pre-space
+.\" had been output because of this macro.  So it is now enabled
+.\" only when postprocessor tags are required.
+.if '\*[.T]'html' \{\
 .\" retain temporary indentation and horizontal position
 .if !(\\n[.in]-\\n[.i]=0) .nr misc*ti \\n[.in]
 .nr misc*.k \\n[.k]
@@ -751,6 +757,7 @@ in=\\n[.i] fi=\\n[.u] .d=\\n[.d] nl=\\n[nl] pg=\\n[%]
 \h'\\n[misc*.k]u'\c
 .rr misc*.k
 .vpt 1
+.\}
 ..
 .\" ######## module pict #################
 .nr pict*width 0