Document -w option of rgblink
This option hadn't been added to the manpage.
.Sh SYNOPSIS
.Nm rgblink
.Op Fl t
+.Op Fl w
.Op Fl m Ar mapfile
.Op Fl n Ar symfile
.Op Fl O Ar overlayfile
@@ -44,6 +45,9 @@ When padding an image, pad with this value.
The default is 0x00.
.It Fl s Ar symbol
???
+.It Fl w
+Expand WRAM0 to the whole space assigned to WRAM and prevent the use of WRAMX
+sections.
.It Fl t
Write a tiny
.Pq 32KiB
