Is there one that defaults to block
defaults to
inline
inline-
This isn't really a true answer to the question right now, but with enough support, it may someday be.
short for "segment". As in, segments of a line.
with the polyfill:
It really would be nice if there was an official one, but there is not, so here is the best (IMO) suggested name for such an element that I know of.