Squashed 'cde/programs/dtksh/ksh93/' content from commit 66e1d4464

git-subtree-dir: cde/programs/dtksh/ksh93
git-subtree-split: 66e1d446429543be0f9d47d9364e472932dc53f1

src/Mamfile

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+info mam static
+note *
+note * This build file is in the Make Abstract Machine (MAM) language. It was
+note * first generated by nmake, but in the ksh 93u+m distribution we maintain
+note * it manually because nmake had too many problems to keep using. The
+note * Mamfiles are processed by mamake (src/cmd/INIT/mamake.c); we added
+note * support for indentation to improve readability. The language is
+note * documented in Glenn Fowler's paper "A Make Abstract Machine":
+note * http://web.archive.org/web/20041227143022/http://www2.research.att.com/~gsf/mam/mam.html
+note *
+note source level :MAKE: equivalent
+make install
+	make all
+		exec - ${MAMAKE} -r '*/*' ${MAMAKEARGS}
+	done all virtual
+done install virtual