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Variable Reference >
is-gui: variable
Default value: varies
The is-gui variable indicates whether a graphical version of
Epsilon is running. In pure-text versions of Epsilon, this variable
is zero. When the 32-bit Windows version of Epsilon runs under
Windows NT/W2K/XP, it sets this variable to 2 . Under Windows
95/98/ME, it sets this variable to 3 . The variable is 1 when
the 32-bit version runs under Windows 3.1 using the Win32S package
(though this is not supported). The 16-bit version of Epsilon for
Windows 3.1 always sets this variable to 4 .
More info:
System Primitives (Primitives)
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