patch 7.4.1770
Problem: Cannot use true color in the terminal.
Solution: Add the 'guicolors' option. (Nikolai Pavlov)
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index 8e51005..b73949f 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -424,6 +424,7 @@
m *+tcl/dyn* Tcl interface |tcl-dynamic| |/dyn|
*+terminfo* uses |terminfo| instead of termcap
N *+termresponse* support for |t_RV| and |v:termresponse|
+m *+termtruecolor* 24-bit color in xterm-compatible terminals support
N *+textobjects* |text-objects| selection
*+tgetent* non-Unix only: able to use external termcap
N *+timers* the |timer_start()| function