A set of markers that indicate features of interest in an archive frame.

Input Format:

A set of one or more of:

• f0..f31 - Features 0 to 31. To refer to all markers use the keyword all.

Examples:

In the following example the start and end of some procedure is recorded in the archive using features markers 5 and 6.

  mark f5
  ...
  mark f6

Context:

Variables of type Features are used by the mark() command.

Note that the feature numbers 0..31 correspond to the bits that are set in the "frame.feature" archive register.