-/* borrowed from curses.priv.h */
-#define CHANGED_RANGE(line,start,end) \
- if (line->firstchar == _NOCHANGE \
- || line->firstchar > (start)) \
- line->firstchar = start; \
- if (line->lastchar == _NOCHANGE \
- || line->lastchar < (end)) \
- line->lastchar = end
-