84 		draw(screen, Rect(p.x, hrect.min.y, p.x+1, p.y), neutral,  in drawdatum()
86 		draw(screen, Rect(p.x, p.y, p.x+1, q.y+Dot), dark, nil, ZP);  in drawdatum()
87 		draw(screen, Rect(p.x, q.y+Dot, p.x+1, hrect.max.y), light,  in drawdatum()
90 		draw(screen, Rect(p.x, hrect.min.y, p.x+1, q.y), neutral,  in drawdatum()
92 		draw(screen, Rect(p.x, q.y, p.x+1, p.y+Dot), dark, nil, ZP);  in drawdatum()
93 		draw(screen, Rect(p.x, p.y+Dot, p.x+1, hrect.max.y), light,  in drawdatum()
104 	draw(screen, hrect, screen, nil, Pt(hrect.min.x+1, hrect.min.y));  in updatehistogram()
111 	stringbg(screen, maxvloc, txtcolor, ZP, display->defaultfont, buf,  in updatehistogram()
128 	r = screen->r;  in redrawhistogram()
129 	draw(screen, r, neutral, nil, ZP);  in redrawhistogram()
130 	p = string(screen, addpt(r.min, Pt(Lx, Ly)), txtcolor, ZP,  in redrawhistogram()
149 	border(screen, hrect, -Bw, dark, ZP);  in redrawhistogram()
151 	stringbg(screen, maxvloc, txtcolor, ZP, display->defaultfont, buf,  in redrawhistogram()
153 	draw(screen, hrect, neutral, nil, ZP);  in redrawhistogram()
225 	mc = initmouse(nil, screen);  in histogram()