Update terminfo explanation and workaround

terminfo.patch

@@ -1,12 +1,25 @@
---- Makefile	2019-02-09 12:50:41.000000000 +0100
-+++ Makefile	2019-10-30 23:39:55.775193275 +0100
-@@ -47,7 +47,8 @@
+--- Makefile.old	2019-02-09 12:50:41.000000000 +0100
++++ Makefile	2019-11-07 00:00:24.487953923 +0100
+@@ -47,7 +47,6 @@
  	mkdir -p $(DESTDIR)$(MANPREFIX)/man1
  	sed "s/VERSION/$(VERSION)/g" < st.1 > $(DESTDIR)$(MANPREFIX)/man1/st.1
  	chmod 644 $(DESTDIR)$(MANPREFIX)/man1/st.1
 -	tic -sx st.info
-+	mkdir -p $(DESTDIR)$(PREFIX)/share/st/terminfo
-+	tic -sx -o $(DESTDIR)$(PREFIX)/share/st/terminfo st.info
  	@echo Please see the README file regarding the terminfo entry of st.
  
  uninstall:
+--- st.info.old	2019-02-09 12:50:41.000000000 +0100
++++ st.info	2019-11-07 00:01:02.605412883 +0100
+@@ -189,10 +189,10 @@
+ 	rmxx=\E[29m,
+ 	smxx=\E[9m,
+ # tmux extensions, see TERMINFO EXTENSIONS in tmux(1)
+-	Se,
+-	Ss,
+ 	Tc,
+ 	Ms=\E]52;%p1%s;%p2%s\007,
++	Se=\E[2 q,
++	Ss=\E[%p1%d q,
+ 
+ st-256color| simpleterm with 256 colors,
+ 	use=st,