[mkgmap-dev] option --mdr7-del: change or add new option?

Hi all, the current implementation only removes words from the right. Felix and Mike both suggested to change that so that the listed words are removed anywhere, and I think Arndt's Style would also benefit. Should I simply change the implementation and documentation or is backward compatibility important? If we want to be backward compatible we need a new option. This could be something like --mdr7-delx or --mdr7-del-all Gerd