string->gt;integer keywords;  see: doc/ref/keywords.html


/* Convert a name to a keyword; allocate new keyword value if needed */
mbtk_kw_t mbtk_kw(const char *name);

/* Return a new unique keyword that has no name or string representation; useful
   when a handle is needed e.g. for a pixmap registration and the handle will
   be remembered by mbtk_kw_t but never resolved by string. */
mbtk_kw_t mbtk_kw_uniq(void);