Add HISTORY/INSTALL clean target to 7.4.X.

diff --git a/doc/src/sgml/Makefile b/doc/src/sgml/Makefile
index 2e04c5e64cebce9da7d71cc40992c7d844b9cda1..5f78d9420090b3f07778f64fe72c35962e370505 100644 (file)
--- a/doc/src/sgml/Makefile
+++ b/doc/src/sgml/Makefile
@@ -209,3 +209,6 @@ clean distclean maintainer-clean:
        rm -f *.rtf *.tex-ps *.tex-pdf *.dvi *.aux *.log *.ps *.pdf *.out *.eps *.fot
 # index
        rm -f HTML.index $(GENERATED_SGML)
+# text
+       rm -f INSTALL HISTORY regress_README
+