::`[] should now work

Rev: src/docode.c:1.45
Rev: src/interpreter.h:1.2
Rev: src/language.yacc:1.114
Rev: src/lex.c:1.64
Rev: src/object.c:1.60
Rev: src/object.h:1.25
Rev: src/pike_memory.h:1.11
Rev: src/program.c:1.116