.he 'SUBSCRC''Page %'
.fo 'Steven Hardy'- % -'October 1977'
SUBSCRC	This function is used to access strings;
if the value of the variable S is a string then
 	: S(4) =>
.br
is equivalent to
 	: SUBSCRC(4, S)
.br
Try the following:
 	: 'THIS IS A STRING' -> S;
 	: S(4) =>
 	: S(4) + 1 -> S(4);
 	: S =>
 	: `A -> S(3);
 	: S =>
.br
All terminals have the character "'" but only lower case ones have
"`".
To get the effect of typing this character on an upper-case only teletype
type "\\'" (See the TERMINALS demo).
.br
See INITC
