# SRFI 135: Immutable texts (CHICKEN port) This is an egg for [CHICKEN 5](call-cc.org) providing the [SRFI 135](https://srfi.schemers.org/srfi-135) sample implementation. Several forms not specified in the SRFI are alse provided, including I/O procedures and SRFI 158 generators/accumulators for immutable texts. # Author The SRFI 135 sample implementation is by Will Clinger. The additional procedures were implemented by Wolfgang Corcoran-Mathe. # Maintainer Wolfgang Corcoran-Mathe