doc/ distclean rules should remove Makefiles

* emacs/Makefile.in (distclean):
* lispintro/Makefile.in (distclean):
* lispref/Makefile.in (distclean):
* misc/Makefile.in (distclean):
Remove Makefile.

doc/emacs/ChangeLog

+2013-11-30  Glenn Morris  <rgm@gnu.org>
+
+	* Makefile.in (distclean): Remove Makefile.
+
 2013-11-29  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* buffers.texi (Icomplete): Rename from Iswitchb and

doc/emacs/Makefile.in

@@ -196,6 +196,7 @@ clean: mostlyclean
 	rm -f emacs-manual-${version}.tar*
 
 distclean: clean
+	rm -f Makefile
 
 ## In the standalone tarfile, the clean rule runs this.
 infoclean:

doc/lispintro/ChangeLog

+2013-11-30  Glenn Morris  <rgm@gnu.org>
+
+	* Makefile.in (distclean): Remove Makefile.
+
 2013-10-23  Glenn Morris  <rgm@gnu.org>
 
 	* Makefile.in (install-dvi, install-html, install-pdf)

doc/lispintro/Makefile.in

@@ -113,6 +113,7 @@ clean: mostlyclean
 	rm -f emacs-lispintro-${version}.tar*
 
 distclean: clean
+	rm -f Makefile
 
 infoclean:
 	-cd $(buildinfodir) && rm -f eintr$(INFO_EXT) eintr$(INFO_EXT)-[1-9]

doc/lispref/ChangeLog

+2013-11-30  Glenn Morris  <rgm@gnu.org>
+
+	* Makefile.in (distclean): Remove Makefile.
+
 2013-11-29  Andreas Politz  <politza@fh-trier.de>
 
 	* modes.texi (Imenu): Make it clear that sub-alist is the cdr

doc/lispref/Makefile.in

@@ -169,6 +169,7 @@ clean: mostlyclean
 	rm -f emacs-lispref-${version}.tar*
 
 distclean: clean
+	rm -f Makefile
 
 infoclean:
 	-cd $(buildinfodir) && rm -f elisp$(INFO_EXT) elisp$(INFO_EXT)-[1-9] elisp$(INFO_EXT)-[1-9][0-9]

doc/misc/ChangeLog

+2013-11-30  Glenn Morris  <rgm@gnu.org>
+
+	* Makefile.in (distclean): Remove Makefile.
+
 2013-11-20  era eriksson  <era+emacsbugs@iki.fi>
 
 	* ses.texi (Quick Tutorial): New chapter.  (Bug#14748)

doc/misc/Makefile.in

@@ -842,7 +842,7 @@ clean: mostlyclean
 	rm -f emacs-misc-${version}.tar*
 
 distclean: clean
-#	rm -f Makefile
+	rm -f Makefile
 
 ## buildinfodir is relative to srcdir.
 infoclean: