ARTICLES += git-tools
ARTICLES += glossary
# with their own formatting rules.
-SP_ARTICLES = howto/revert-branch-rebase user-manual
+SP_ARTICLES = howto/revert-branch-rebase howto/using-merge-subtree user-manual
API_DOCS = $(patsubst %.txt,%,$(filter-out technical/api-index-skel.txt technical/api-index.txt, $(wildcard technical/api-*.txt)))
SP_ARTICLES += $(API_DOCS)
SP_ARTICLES += technical/api-index