Merge branch 'fc/docbook-remove-groff-workaround'

Remove workaround for ancient versions of DocBook to make it work
correctly with groff, which has not been necessary since docbook
1.76 from 2010.

* fc/docbook-remove-groff-workaround:
  doc: remove GNU troff workaround

Author: gitster

Documentation/Makefile

@@ -191,14 +191,6 @@ MAN_BASE_URL = file://$(htmldir)/
 endif
 XMLTO_EXTRA += -m manpage-base-url.xsl
 
-# If your target system uses GNU groff, it may try to render
-# apostrophes as a "pretty" apostrophe using unicode.  This breaks
-# cut&paste, so you should set GNU_ROFF to force them to be ASCII
-# apostrophes.  Unfortunately does not work with non-GNU roff.
-ifdef GNU_ROFF
-XMLTO_EXTRA += -m manpage-quote-apos.xsl
-endif
-
 ifdef USE_ASCIIDOCTOR
 ASCIIDOC = asciidoctor
 ASCIIDOC_CONF =

Documentation/manpage-quote-apos.xsl

@@ -207,10 +207,6 @@ include shared.mak
 # Define NO_ST_BLOCKS_IN_STRUCT_STAT if your platform does not have st_blocks
 # field that counts the on-disk footprint in 512-byte blocks.
 #
-# Define GNU_ROFF if your target system uses GNU groff.  This forces
-# apostrophes to be ASCII so that cut&pasting examples to the shell
-# will work.
-#
 # Define USE_ASCIIDOCTOR to use Asciidoctor instead of AsciiDoc to build the
 # documentation.
 #