Quarter tone notation

I must be missing something somewhere but I can't find a symbol for a demiflat anywhere.
thorrild wrote:GaryExo,
There is more than one notation practice for microtonal music. — See this Wikipedia article, for example: http://en.wikipedia.org/wiki/Accidental_(music)
I believe Notion's version of what you are looking for is this:
Best wishes,
Thorrild