Accept but ignore special tags: <!, <?; Start of class UnsingedInteger; success: make distcheck

makefile.am

@@ -41,27 +41,9 @@ tag: distcheck
 
 deps = ${top_srcdir}/COPYING ${top_srcdir}/README ${top_srcdir}/INSTALL ${top_srcdir}/NEWS ${top_srcdir}/ChangeLog
 
-clean-local:
-	- rm doxygen.err lib@PACKAGENAME@.doxytag
-
-distclean-local:
-	- rm -r ${top_builddir}/@DOC_DIR@/html/* ${top_builddir}/@DOC_DIR@/latex/*
-	- rm makefile makefile.in doxygen.err libmrw.doxytag
+maintainer-clean-local:
 	- find . -name '*~' | xargs rm
 	- rm -r autom4te.cache
 	- rm aclocal.m4 config.guess config.sub configure \
 	     depcomp install-sh ltmain.sh makefile makefile.in \
 	     missing mkinstalldirs
-
-dist-hook:
-	test -d ${distdir}/@DOC_DIR@/html || \
-	  mkdir -p ${distdir}/@DOC_DIR@/html
-	cp ${top_builddir}/@DOC_DIR@/html/* ${distdir}/@DOC_DIR@/html/.
-
-install-data-hook:
-	chmod -R u+w ${pkgdatadir}/doc
-	cp -rf ${top_builddir}/@DOC_DIR@/html ${pkgdatadir}/@DOC_DIR@/
-
-uninstall-hook:
-	chmod -R u+w ${pkgdatadir}/doc
-	rm -rf ${pkgdatadir}/@DOC_DIR@/html