tbyscp.x
    The 'sbuf' pointer was being used with Memr (5/4/13, MJF)

tbhanp.x
    Quote strings in text, strip trailing spaces, and capitalize keywords
    to be consistent with tbhpnp.  (1/7/11, Valdes)

tbhpnp.x
    Don't remove leading whitespace.  (1/7/11, Valdes)

tbttyp.x
    1.  Changes to better control the types and extensions.  The accepted
	extensions are |tab|fits|fit|fxb|txt|dat|cat|tmp|.
    2.  If no extensions is given the default is now text instead of STSDAS
	table.
    (1/7/11, Valdes)