Add content-negotiation switch using make variable CONTENT_NEGOTIATION.

On by default.  Should be zero'd for doc ball builds.

diff --git a/GNUmakefile.in b/GNUmakefile.in
index 961065d9c6ad681ed42e7c5829197aca1d049f3c..85ce62d9847cf88fd2f759c2741da71d9e10bcda 100644 (file)
--- a/GNUmakefile.in
+++ b/GNUmakefile.in
@@ -82,7 +82,9 @@ final-install:
 
 web-ext = html midi pdf png txt ly signature
 
-footify = $(PYTHON) $(step-bindir)/add-html-footer.py  --name $(PACKAGE_NAME) --version $(TOPLEVEL_VERSION)
+# For docball, issue `make web CONTENT_NEGOTIATION='
+CONTENT_NEGOTIATION = --content-negotiation
+footify = $(PYTHON) $(step-bindir)/add-html-footer.py --name $(PACKAGE_NAME) --version $(TOPLEVEL_VERSION) $(CONTENT_NEGOTIATION)
 footifymail = MAILADDRESS='http://post.gmane.org/post.php?group=gmane.comp.gnu.lilypond.bugs'