CKDLIM    CKDLIM    CKDLIM    CKDLIM    CKDLIM    CKDLIM    CKDLIM    
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SUBROUTINE CKDLIM (STRING, DELIM, I1, I2)
returns pointers into a character string of the first and
second occurrences of a particular character.

Arguments:
STRING - Character string.
DELIM  - Single character.
I1     - Integer scalar, location in STRING of first DELIM.
I2     - Integer scalar, location in STRING of second DELIM.