Cosmetic code cleanup?

[Jos Backus]

Here's a list of cosmetic changes I'd be willing to make to the code in order
to make it more consistent, which stylisticly it currently is not.

- separate function definitions by 2 newlines
- put spaces after commas in arg lists
- put spaces around assignments
- remove trailing spaces
- change space indents to tabs
- fix multiline comments
- remove redundant /* dw */ comments (Deborah Weiss is already credited in the
  documentation)

Thoughts?

-- 
Jos Backus                 _/  _/_/_/        Santa Clara, CA
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