SC21: Test generic syntax checking of pragmas and typesetter directives. 1. Test pragma not at the start of line. @p @t 2. Test character following p is not a blank. @px @tx @p @t 3. Test pragma line is too long (limit is 100) 1 2 3 4 5 6 7 8 9 1 @p 4567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 @p 45678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901 @t 4567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 @t 45678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901 4. Test various different pragma lines. @p $#%@ 2525 sloth @t $#%@ 2525 sloth 5. Test pragma with no arguments. (Will get a trailing blanks error.). @p @t 6. Test pragma with too many arguments. @p a b c d e f g h i j k l m n o p q r s t u v w x y z @t a b c d e f g h i j k l m n o p q r s t u v w x y z