doc: maintain po without no-location

see http://www.clear-code.com/blog/2013/11/14.html

build/makefiles/gettext.am

@@ -21,11 +21,12 @@ SUFFIXES += .pot .po .mo
 all:
 
 .pot.po:
-	msgmerge --quiet --update --sort-by-file $@ $<
+	msgmerge --quiet --sort-by-file --output-file=$*.edit.po $@ $<
+	msgcat --no-location --output $@ $*.edit.po
 .po.mo:
 	msgfmt -o $@ $<
 
-update: pot-build-stamp $(po_files)
+update: pot-build-stamp $(edit_po_files) $(po_files)
 
 if DOCUMENT_BUILDABLE
 build: $(mo_files)
@@ -43,11 +44,11 @@ gettext: sphinx-ensure-updated
 	xgettext --language Python --output conf.pot ../../../source/conf.py
 
 init: gettext
-	for pot in *.pot; do							\
-	  po=`basename $${pot} | sed -e 's,pot$$,po,g'`;			\
-	  test "$(FORCE_INIT)" = "yes" -o ! -f $${po} &&			\
-	    msginit --input=$${pot} --output-file=$${po} --locale=$(LOCALE);	\
-	  :;									\
+	for pot in *.pot; do								\
+	  edit_po=`basename $${pot} | sed -e 's,pot$$,edit.po,g'`;			\
+	  test "$(FORCE_INIT)" = "yes" -o ! -f $${edit_po} &&				\
+	    msginit --input=$${pot} --output-file=$${edit_po} --locale=$(LOCALE);	\
+	  :;										\
 	done
 
 reinit:

doc/update-files.sh

@@ -46,6 +46,20 @@ find "themes" -type f | \
       -e 's,pot$,po,' | \
     list_paths "po_files_relative_from_locale_dir"
 
+## edit.po file base paths
+(cd locale/en/LC_MESSAGES; find . -type f -name '*.pot') | \
+    sed \
+      -e 's,^\./,,' \
+      -e 's,pot$,edit.po,' | \
+    list_paths "edit_po_files"
+
+## edit.po file paths relative from locale/$LANG/ dir.
+(cd locale/en/LC_MESSAGES; find . -type f -name '*.pot') | \
+    sed \
+      -e 's,^\.,LC_MESSAGES,' \
+      -e 's,pot$,edit.po,' | \
+    list_paths "edit_po_files_relative_from_locale_dir"
+
 ## mo file paths relative from locale/$LANG/ dir.
 (cd locale/en/LC_MESSAGES; find . -type f -name '*.pot') | \
     sed \