[9front] [patch] document softscreen default for igfx; fix typo

[9front] [patch] document softscreen default for igfx; fix typo

[unobe]

/sys/src/9/pc/vgaigfx.c:/^igfxenable sets softscreen to true by
default, but vga(3) doesn't document that. Also fix a typo.

changeset:   8443:2bc7dceab4ef
branch:      mbp-2011
tag:         tip
user:        Romano <unobe@cpan.org>
date:        Tue Apr 20 22:41:52 2021 -0700
files:       sys/man/3/vga sys/src/9/ip/loopbackmedium.c
description:
fix typo; document that igfx driver also sets softscreen to 'on' by
default.


diff -r e5532d6dc58b -r 2bc7dceab4ef sys/man/3/vga
--- a/sys/man/3/vga	Tue Apr 20 22:02:44 2021 -0700
+++ b/sys/man/3/vga	Tue Apr 20 22:41:52 2021 -0700
@@ -170,7 +170,9 @@
 .BR off
 except for the
 .BR vesa
-driver. 
+and
+.BR igfx
+drivers.
 .TP
 .BI hwblank " mode"
 Depending on whether
diff -r e5532d6dc58b -r 2bc7dceab4ef sys/src/9/ip/loopbackmedium.c
--- a/sys/src/9/ip/loopbackmedium.c	Tue Apr 20 22:02:44 2021 -0700
+++ b/sys/src/9/ip/loopbackmedium.c	Tue Apr 20 22:41:52 2021 -0700
@@ -45,7 +45,7 @@
 	while(waserror())
 		;
 
-	/* wat for reader to start */
+	/* wait for reader to start */
 	while(lb->readp == (void*)-1)
 		tsleep(&up->sleep, return0, 0, 300);