2014-09-22 19:13 UTC+0200 Viktor Szakats (vszakats users.noreply.github.com)
  * contrib/gtwvg/hbgtwvg.ch
    * moved the GTI value extensions to the 1000 range
    ! fixed HB_GTI_SPEC to be relative to the rest of GTI
      extended numbers

  * contrib/gtwvg/gtwvgd.c
    ! some NULL checks (they may be unnecessary, I'm not sure)

  * contrib/hbzebra/tests/gtgfx.prg
    * minor