C source files should not be executable
extra semicolons removed from C code
minor typos and typography fixes
missing dots in 'q.v.' added
{\LaTeX} instead of LaTeX
inter-sentence space after 'e.g.' removed (more fixes needed)
typos fixed
typo: was 'xdaz' rather than 'xdaz'
typo: space and dot instead of dot and space
binary character (printed as "'") removed from .doc file