has-feature: variable

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has-arg	Variable Reference	hex-overtype-mode

Epsilon User's Manual and Reference > Variable Reference >

has-feature: variable

Default value: varies

Epsilon runs under various operating systems. Some OS versions of Epsilon have a few features that others lack. An EEL function may test bits in this variable to check if certain features are available.

More info:

System Primitives (Primitives)
Changes to EEL Primitives and Subroutines in Epsilon 11 (Changes from Older Versions)
Other New Primitives in Epsilon 10 (Changes from Older Versions)

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