g.region: add comp, extent and res to keywords

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@70358 15284696-431f-4ddb-bdfa-cd5b030d7da7

general/g.region/main.c

@@ -63,6 +63,9 @@ int main(int argc, char *argv[])
     module = G_define_module();
     G_add_keyword(_("general"));
     G_add_keyword(_("settings"));
+    G_add_keyword(_("computational region"));
+    G_add_keyword(_("extent"));
+    G_add_keyword(_("resolution"));
     module->description =
 	_("Manages the boundary definitions for the " "geographic region.");