[bitmap: error] '''error''': <<br>>
The international “don't” symbol: a circle with a diagonal line across it.

[bitmap: gray75] '''gray75''': <<br>>
75% gray: a checkerboard pattern where three out of four bits are on.

[bitmap: gray50] '''gray50''': <<br>>
50% gray: a checkerboard pattern where every other bit is on.

[bitmap: gray25] '''gray25''': <<br>>
25% gray: a checkerboard pattern where one out of every four bits is on.

[bitmap: gray12] '''gray12''': <<br>>
12.5% gray: a pattern where one-eighth of the bits are on, consisting of every fourth pixel in every other row.

[bitmap: hourglass] '''hourglass''': <<br>>
An hourglass symbol.

[bitmap: info] '''info''': <<br>>
A large letter “i”.

[bitmap: questhead] '''questhead''': <<br>>
The silhouette of a human head, with a question mark in it.


[bitmap: question] '''question''': <<br>>
A large question-mark.

[bitmap: warning] '''warning''': <<br>>
A large exclamation point.