stuff.
* indices.texi: Users are advised to look under C and Scheme
names, xref to transformation rules added.
* intro.texi, scheme-modules.texi, scheme-ideas.texi,
scheme-evaluation.texi, scheme-data.texi, scheme-procedures.texi:
Fixed most REFFIXMEs.
* srfi-modules.texi (About SRFI Usage): New node.
(SRFI-0): Extended.
Fixed all REFFIXMEs.
* expect.texi, repl-modules.texi: Start the chapters with a new
page.
* srfi-modules.texi (SRFI-0): Added note about supported feature
identifiers and an example. Start the chapter with a new page.
* srfi-modules.texi, scheme-data.texi, scheme-control.texi,
scheme-binding.texi, repl-modules.texi, posix.texi, intro.texi,
scheme-utility.texi: Change `--' to `-' throughout.
(Writing New Modules): New intro for writing modules.
(Reporting Bugs): Added info about what is a bug and what to
include in a bug report (taken and adapted from the Emacs
Reference Manual).
