data/rfc1345.txt:
tools/wget-ifmodified http://www.ietf.org/rfc/$(@F) $@
-digraphs.inc.pl: tools/mkdigraphlist data/rfc1345.txt shiar.inc.txt
+data/digraphs-rfc.inc.pl: tools/mkdigraphs-rfc data/rfc1345.txt
$< $(word 2,$^) >$@
+digraphs.inc.pl: tools/mkdigraphlist data/digraphs-rfc.inc.pl shiar.inc.txt
+ $< >$@
+
unicode-char.inc.pl: tools/mkcharinfo digraphs.inc.pl unicode-age.inc.pl
$< >$@