Replace "updates" with summarized and more useful "announcements"

Makefile

@@ -62,9 +62,8 @@ PAGES=\
 	"yxml/man.md                https://g.blicky.net/yxml.git/plain/yxml.md"
 
 
-# Files generated by updates.pl
-UPDATES=\
-	dat/index.md\
+# Files generated by mkfeed.pl
+FEEDS=\
 	pub/feed.atom\
 	pub/globster/feed.atom\
 	pub/ncdc/feed.atom\
@@ -86,18 +85,18 @@ POD_MD     := $(shell for i in ${PAGES}; do echo "$$i" | grep -Eo '^[^ ]+\.pod'
 CHANGES_MD := $(shell for i in ${PAGES}; do echo "$$i" | grep -Eo '^[^ ]+\.log' | sed -E 's/(.+)\.log$$/dat\/\1.md/'; done)
 
 # All fetched & generated files
-CLEAN      := ${FETCH} ${POD_MD} ${CHANGES_MD} ${HTML_OUT} ${UPDATES}
+CLEAN      := ${FETCH} ${POD_MD} ${CHANGES_MD} ${HTML_OUT} ${FEEDS}
 
 
 .PHONY: all clean
 
-all: .gitignore ${HTML_OUT} ${UPDATES}
+all: .gitignore ${HTML_OUT} ${FEEDS}
 
 
-${UPDATES}: updates.pl
-	@echo "UPDATE $@"
+${FEEDS}: mkfeed.pl dat/index.md
+	@echo "FEED   $@"
 	@mkdir -p $$(dirname "$@")
-	@./updates.pl "$@" >"$@"
+	@./mkfeed.pl "$@" <dat/index.md >"$@"
 
 
 ${FETCH}: dat/%:
@@ -122,6 +121,7 @@ ${CHANGES_MD}: dat/%.md: dat/%.log mkchangelog.pl
 	@./mkchangelog.pl "$*" "${shell for i in ${PAGES}; do case "$$i" in "$*.log "*) echo "$$i" | sed -E 's/[^ ]+ +[^ ]+ +//';; esac; done}" <"$<" >"$@"
 
 
+# TODO: Add --strip-comments to pandoc when I have a version that supports it.
 ${HTML_OUT}: pub/%.html: dat/%.md template.html
 	@echo "HTML   $*"
 	@mkdir -p $$(dirname "$@")