Add commentary.
Use `define-module' `:export' clause instead of `define-public'.
Autoload (ice-9 regex) on `match:suffix'.
(default-in-line-re, default-after-line-re): New vars.
(default-scrub): New proc.
(file-commentary): New proc, exported.
(object-documentation): Expand docstring; nfc.
in C for now.
* rdelim.scm: export the C primitives too.
* documentation.scm: use (ice-9 rdelim).
* filesys.c (scm_link): docstring fix.
* fports.h (scm_setfileno): obsolete declaration removed.
* posix.c: bogus popen declaration removed.
* rdelim.c: new file, split from ioext.c with new proc
scm_init_rdelim.
* rdelim.h: new file.
* Makefile.am: add rdelim.c and related files.
* init.c: call scm_init_rdelim. include rdelim.h.