Doc'ing new "colorsrows" option

In manpage, and (via 'tuxpaint-docs' update) in OPTIONS docs.
Also, added a bash tab-completion entry for it.
(h/t Pere for enabling the feature.)

src/manpage/tuxpaint.1

@@ -1,5 +1,5 @@
-.\" tuxpaint.1 - 2021.01.18
-.TH TUXPAINT 1 "18 January 2021" "0.9.26" "Tux Paint"
+.\" tuxpaint.1 - 2021.02.05
+.TH TUXPAINT 1 "5 February 2021" "0.9.26" "Tux Paint"
 .SH NAME
 tuxpaint -- "Tux Paint", a drawing program for young children.
 
@@ -71,6 +71,8 @@ tuxpaint -- "Tux Paint", a drawing program for young children.
 .br
 [\-\-mirrorstamps]
 .br
+[\-\-colorsrows=ROWS]
+.br
 [\-\-mouse-accessibility]
 .br
 [\-\-onscreen-keyboard]
@@ -450,6 +452,12 @@ text which can be altered or moved later.
 List solid (blank) colors at the end, or beginning (default) of the
 options displayed when using the \fINew\fP tool to start a new picture.
 
+.TP 8
+.B \-\-colorsrows=\fIrows\fP
+How many rows of color palette buttons to show; useful when using
+a large color palette, and/or for use with coarse input devices
+(like eyegaze trackers).
+
 .TP 8
 .B \-\-mirrorstamps \-\-dontmirrorstamps
 With \fImirrorstamps\fP set, stamps which can be mirrored will appear

src/parse.gperf

@@ -164,7 +164,7 @@ wheelmouse,          POSBOOL(wheely)
 windowed,            NEGBOOL(fullscreen)
 windowsize,          MULTI(parsertmp_windowsize)
 buttonsize,          MULTI(button_size)
-colorsrows,           MULTI(colors_rows)
+colorsrows,          MULTI(colors_rows)
 mouse-accessibility, POSBOOL(mouseaccessibility)
 onscreen-keyboard,   POSBOOL(onscreen_keyboard)
 onscreen-keyboard-layout,         MULTI(onscreen_keyboard_layout)

src/tuxpaint-completion.bash

@@ -3,7 +3,7 @@
 # Bill Kendrick <bill@newbreedsoftware.com>; http://www.tuxpaint.org/
 # Based on inkscape's completion file, by allali@univ-mlv.fr
 #
-# Last modified 2021-01-23
+# Last modified 2021-02-05
 #
 # $Id$
 
@@ -48,6 +48,7 @@ _tuxpaint()
 			--outlines --nooutlines \
 			--stamps --nostamps \
                         --newcolorsfirst --newcolorslast \
+                        --colorsrows= \
 			--sysfonts --nosysfonts \
 			--nostampcontrols --stampcontrols \
 			--nomagiccontrols --magiccontrols \