backslashedP

Help Contents Data Structure Primitives Predicates backslashedP
complexP circularP

backslashedP char
backslashed? char

outputs TRUE if the input character was originally entered into Logo with a backslash (\) before it or within vertical bars (|) to prevent its usual special syntactic meaning, FALSE otherwise. (Outputs TRUE only if the character is a 

backslashed space, tab, newline, carriage return or one of

()[]{}<>;|~"\+-*/^=:?.

Examples: 

backslashed? "\\		;true  ;-)
backslashed? "\[		;true  ;-)
backslashed? "\=		;true  ;-)
backslashed? "\a		;false  ;-)

See also:

References:

complexP circularP