Do starred commands eat up spaces after them, like unstarred ones do? That is, is
\somecommand* nextword equivalent to
And: Does it depend on the particular way a starred command is defined?
Edit: Note that the original version of my question left out me considering only zero-argument commands. I was assuming this, and it was mostly clear (albeit implicit) from the question statement. User @tohecz has written a valuable answer (to the pre-edit version) addressing this detail.
Note that I'm asking about commands with a star at the end of their name (
\somecommand*), not about whether the command was defined using a starred defining command (e.g. with