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3.1.5.2.21 IsJamo

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This algorithm specifies the check for a valid Jamo character.<10>

 COMMENT IsJamo 
 COMMENT
 COMMENT  On Entry:  SourceCharacter - Unicode Character to test
 COMMENT
 COMMENT  On Exit:   Result          - true if SourceCharacter is in
 COMMENT                               the Jamo range
 COMMENT
  
 PROCEDURE IsJamoLeading(IN SourceCharacter : Unicode Character,
                         OUT Result: boolean)
  
 IF (SourceCharacter is greater than or equal to NLS_CHAR_FIRST_JAMO)
      and
    (SourceCharacter is less than or equal to NLS_CHAR_LAST_JAMO) THEN
      SET Result to true
 ELSE
      SET Result to false
 ENDIF
  
 RETURN Result