- Allow Emacs 22 for building the documentation in info format.

Doc/info/Makefile

@@ -34,10 +34,10 @@ $(WHATSNEW):	python$(VERSION)-$(WHATSNEW).info
 
 check-emacs-version:
 	@v="`$(EMACS) --version 2>&1 | egrep '^(GNU |X)Emacs [12]*'`"; \
-	if `echo "$$v" | grep '^GNU Emacs 21' >/dev/null 2>&1`; then \
+	if `echo "$$v" | grep '^GNU Emacs 2[12]' >/dev/null 2>&1`; then \
 	  echo "Using $(EMACS) to build the info docs"; \
 	else \
-	  echo "GNU Emacs 21 is required to build the info docs"; \
+	  echo "GNU Emacs 21 or 22 is required to build the info docs"; \
 	  echo "Found $$v"; \
 	  false; \
 	fi

Misc/NEWS

@@ -958,6 +958,7 @@ Build
 
 - Fix the build of the library reference in info format.
 
+- Allow Emacs 22 for building the documentation in info format.
 
 C API
 -----