New variable for man directory.

which can't stand GNU C assembler templates.

X is 5120 on 32-bit and 151552 on 64-bit architectures and I varies
from 0 to 4. As result the test was *unreasonably* slow and virtually
impossible to complete on 64-bit architectures (e.g. IRIX bc couldn't
even swallow such long lines).

work for directory specifications (this will be reported as a bug to
DEC^H^H^HCompaq).  It could as well be removed for all others as well,
since stat() and open() will return appropriate errors as well, but I
leave that to someone else to decide.

tad more readable.

and add example of extension aliasing. Also fix
the extension aliasing because it didn't work :-)

generator (otherwise they don't work) and add -rand
option. Update docs.

accessability of an "empty" directory.  Thsi *is* weird, and a better
solution will be provided in apps/ca.c, when I get time to hack at it.

-Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline''.

amend docs.

This better reflects their behaviour.