public static boolean isWhiteSpace(int c){
switch (c) {
case NUL_CHAR:
case '\t':
case '\n':
case FF_CHAR:
case '\r':
case ' ':
    return true;
default :
  return false;
}
}

public static boolean isWhiteSpace ( int c ) { switch ( c ) { case NUL_CHAR : case '\t' : case '\n' : case FF_CHAR : case '\r' : case ' ' : return true ; default : return false ; } }
is the argument a white space character according to the pdf spec ? . iso spec 32000 - 1 : 2008 - table 1
