reading list.
* gh.texi: Insert page break before chapter. Remove page breaks
within the chapter.
* Makefile.am: Add script-getopt.texi.
* guile.texi (Top): Include and link to new script-getopt.texi
chapter.
* script-getopt.texi: New chapter on command line handling.
(Written and contributed by Martin Grabmueller, revised by me.)