* Explicitly name options instead of just [options].
* Replace needless verbiage by standard macros.
* Order options alphabetically.
* Add a few cross-references.
* Minor punctuation nits.
Patch-from: Jan Stary <hans@stare.cz>
* EXIT STATUS for all
* Mention that the output gets overwritten without asking
* Remove some whitespace mandoc complains about
Patch-from: Jan Stary <hans@stare.cz>