Description:
The given character is tested
for being alphabetic, i.e. A - Z or a - z.
Invocation
RESULT = CHR_ISALF( CVALUE )
Arguments
CVALUE = CHARACTER (Given)
The character to be tested.
Returned Value
CHR_ISALF =
LOGICAL
Returns .TRUE. if the given character is alphabetic, returns .FALSE. otherwise.
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