* module/Makefile.am (ice-9/boot-9.go, NOCOMP_SOURCES): Add
r7rs-libraries.
* module/ice-9/boot-9.scm ("ice-9/r7rs-libraries"): Include file.
* module/ice-9/psyntax.scm (call-with-include-port): New definition.
(include): Use call-with-include-port.
* module/ice-9/psyntax-pp.scm: Regenerate.
* module/ice-9/r7rs-libraries.scm: New file.
* module/scheme/base.scm (r7:include, r7:include-ci): Fix mistaken use
of core "include". Use include-ci from core.
(features): Remove features that are already part of core.
* NEWS: Update.
fd2ffc649c