Changed allocation growth factor to double when it gets less than a sixth of the buffer size instead of a quarter as this means worst case wasted space of one quarter rather than one third at little cost in time.
Changed allocation growth factor to double when it gets less than a sixth of
the buffer size instead of a quarter as this means worst case wasted space of
one quarter rather than one third at little cost in time.

rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror,rhaberkorn/scintilla-mirror