Add entries for the xml.sax documentation.

Doc/Makefile.deps

@@ -169,6 +169,7 @@ LIBFILES= $(MANSTYLES) $(COMMONTEX) \
 	../lib/libdis.tex \
 	../lib/libxmllib.tex \
 	../lib/libpyexpat.tex \
+	../lib/xmlsax.tex \
 	../lib/libqueue.tex \
 	../lib/liblocale.tex \
 	../lib/libgettext.tex \

Doc/lib/lib.tex

@@ -235,6 +235,7 @@ and how to embed it in other applications.
 \input{libhtmllib}
 \input{libxmllib}
 \input{libpyexpat}
+\input{xmlsax}
 
 \input{libmm}			% Multimedia Services
 \input{libaudioop}