--- a/world/Makefile	Wed Aug 21 13:26:45 2019 +0300
+++ b/world/Makefile	Wed Aug 21 13:32:20 2019 +0300
@@ -30,6 +30,7 @@
 	@echo
 	@echo "gimp    : Execute Gimp with all PNG targets for post-processing."
 	@echo "clean   : Delete all the generated files."
+	@echo "changelog : Build changelog for map and location changes only."
 	@echo
 
 
@@ -46,6 +47,26 @@
 ### Special targets
 ###
 
+changelog.txt: $(addsuffix .map,$(WORLD_MAPS)) $(LOCLIST)
+	@( echo '<?xml version="1.0"?>' && echo '<log>' && \
+	hg log $+ -M -v -f --template \
+	'<logentry revision="{rev}"><author>{author|escape}</author><date>{date|isodate}</date><paths><path>{files}</path></paths><msg>{desc|escape}</msg></logentry>\n' && \
+	echo '</log>' ) | \
+	iconv -f "iso-8859-1" -t "utf-8" | \
+	xsltproc --stringparam strip-prefix "" \
+		 --stringparam linelen 80 \
+		 --stringparam groupbyday yes \
+		 --stringparam include-rev no \
+		 "svn2cl.xsl" - | \
+	sed 's/world\///g;s/maps\///g;s/Matti .*/Ggr/g;s/Jarkko .*/Jeskko/g' \
+	> $@
+
+# Build changelog
+changelog: changelog.txt
+	$(RSCP) $? $(UPLOAD_URL)
+	@touch $@
+
+
 # Upload changed files to site
 upload: $(TARGETS) $(LOCLIST)
 	$(RSCP) $? $(UPLOAD_URL)