File too long (should be no more than 24 lines).
Line too long (should be no more than 80 characters).
Trailing empty lines.
Trailing white-space.
Trucated the long files as best as possible while preserving the most info
contained in them.
The package provides extensive facilities, both for constructing
headers and footers, and for controlling their use (for example, at
times when LaTeX would automatically change the heading style in use).
