latexCheck -- check LaTeX files.
  -help   Show this help.
  -defs=FILE  Use definitions in this file when checking others.
  -v      Verbose output for debugging this command.

Checks for:
 * backslashes at the end of a line
 * non-ASCCI characters (suggests a LaTeX character for most)
 * \begin-\end nesting
 * curly brace { } nesting
 * undefined commands and counters
 * commands and counters defined but not used