Build(GHActions): Use `checkout@v4` instead of outdated `v2`

[mimedecode.git] / Makefile.sgmlt

mimedecode.html: mimedecode.docbook Makefile.sgmlt
        sgmltools -b html $<
        mv mimedecode/mimedecode.html mimedecode.html
        rmdir mimedecode

mimedecode.man: mimedecode.docbook Makefile.sgmlt
        docbook-to-man $< >$@

mimedecode.txt: mimedecode.docbook Makefile.sgmlt
        sgmltools -b txt $<