eh, this sounds more like an "embrace and ignore" situation (like IE6). The "extend" was about adding new features that were incompatible with the existing stan

eh, this sounds more like an "embrace and ignore" situation (like IE6). The "extend" was about adding new features that were incompatible with the existing standard (which would in turn lead to the existing standard being "extinguished" because MS was so dominant that whatever they pushed would become the new defacto standard over whatever they "embraced" in the first place).