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C++ API

: ispref ("group", "pref")

: ispref ("group", {"pref1", "pref2", …})

: ispref ("group")

Return true if the named preference pref exists in the preference group group.

The named preference group must be a string.

The preference pref may be a string or a cell array of strings.

If pref is not specified, return true if the preference group group exists.

See also: getpref, addpref, setpref, rmpref.

Package: octave