r3.colors: show thumbnails in manual page

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@47625 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.colors/Makefile

@@ -19,6 +19,12 @@ r.colors.tmp.html: $(BIN)/r.colors$(EXE) thumbnails.py
 	mv -f "$@.tmp" "$@"
 	$(MAKE) thumbnails
 
+r3.colors.tmp.html: $(BIN)/r3.colors$(EXE) thumbnails.py
+	$(call htmldesc,$<,$@)
+	sed 's!^<DD><b>\([a-z0-9.]*\)</b>:!<DD><img width="80" height="12" src="Colortable_\1.png"> <b>\1</b>:!' "$@" > "$@.tmp"
+	mv -f "$@.tmp" "$@"
+	$(MAKE) thumbnails
+
 thumbnails: $(BIN)/r.mapcalc$(EXE)
 	-$(call run_grass, ./thumbnails.py)