* Apply sentence breaking style.
* Add missing periods to the ends of sentences.
* Replace bogus use of Nm with Em and Pa as appropriate.
* Rename the EXAMPLE section to EXAMPLES.
* Tidy up wording and fix spelling errors.
* Use an Rs -> Re block instead of Xr for the SourceForge URL.
* Correct the SourceForge URL.
* Improve the compilation instructions for the SourceForge utilities.
Approved by: n_hibma