[PATCH 2/2] doc: consistently use ASCIIDOC_EXTRA

[Eric Blake <ebb9@byu.net>]

For all uses of $(ASCIIDOC) in Documentation/Makefile, supply the same
options via $(ASCIIDOC_EXTRA).

Signed-off-by: Eric Blake <ebb9@byu.net>
---

I was using asciidoc 8.4.3, and surprised when some, but not all, of the
asciidoc invocations used -a asciidoc7compatible.

 Documentation/Makefile |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/Makefile b/Documentation/Makefile
index e18242a..7a8037f 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -240,7 +240,7 @@ $(MAN_HTML): %.html : %.txt
 	mv $@+ $@

 user-manual.xml: user-manual.txt user-manual.conf
-	$(QUIET_ASCIIDOC)$(ASCIIDOC) -b docbook -d book $<
+	$(QUIET_ASCIIDOC)$(ASCIIDOC) $(ASCIIDOC_EXTRA) -b docbook -d book $<

 technical/api-index.txt: technical/api-index-skel.txt \
 	technical/api-index.sh $(patsubst %,%.txt,$(API_DOCS))
@@ -293,13 +293,13 @@ howto-index.txt: howto-index.sh $(wildcard howto/*.txt)
 	mv $@+ $@

 $(patsubst %,%.html,$(ARTICLES)) : %.html : %.txt
-	$(QUIET_ASCIIDOC)$(ASCIIDOC) -b xhtml11 $*.txt
+	$(QUIET_ASCIIDOC)$(ASCIIDOC) $(ASCIIDOC_EXTRA) -b xhtml11 $*.txt

 WEBDOC_DEST = /pub/software/scm/git/docs

 $(patsubst %.txt,%.html,$(wildcard howto/*.txt)): %.html : %.txt
 	$(QUIET_ASCIIDOC)$(RM) $@+ $@ && \
-	sed -e '1,/^$$/d' $< | $(ASCIIDOC) -b xhtml11 - >$@+ && \
+	sed -e '1,/^$$/d' $< | $(ASCIIDOC) $(ASCIIDOC_EXTRA) -b xhtml11 - >$@+ && \
 	mv $@+ $@

 install-webdoc : html
-- 
1.6.3.rc3.2.g4b51