Intervals
=========

An *interval* is a subset of consecutive :doc:`scale <DEXiGlosScale>`
values. :doc:`DEXi <DEXi>` often uses intervals in connection with
:doc:`utility functions <DEXiGlosFunct>`, particularly when they are
:doc:`edited <DEXiIntEditFunct>` or represented by :doc:`complex
rules <DEXiGlosComplex>`. The use of intervals can be enabled or
disabled in the :doc:`Scale Editor <DEXiIntEditScale>` for each scale
individually.

An interval of values is denoted in one of the following ways:

-  '\*': the asterisk denotes any value of the corresponding attribute;
-  '>=\ *value*': stands for 'better than or equal to' *value*
   (alternative interpretation: 'at least as good as' *value*);
-  '<=\ *value*': 'worse than or equal to' *value*;
-  '*value1*:*value2*': denotes the interval between and including the
   two values.

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