NSUnderlinePattern*

I have been trying to use:

  • NSUnderlinePatternSolid
  • NSUnderlinePatternDot
  • NSUnderlinePatternDash
  • NSUnderlinePatternDashDot
  • NSUnderlinePatternDashDotDot

as my text-strikethrough style, but it seems these are ignored?

The documentation under " Style Property Value Formats" claims that these are available, but only:

  • NSUnderlineStyleNone
  • NSUnderlineStyleSingle
  • NSUnderlineStyleThick
  • NSUnderlineStyleDouble

Seem to work.

Is this on purpose? Am I missing something?