* module/ice-9/format.scm (format:parse-float): Accept a number, and
when stringifying the number, first convert to inexact.
* test-suite/tests/format.test ("~f fixed-point"): Add exact rational
test.
* module/ice-9/format.scm (format): Allow ~:@y to interpret the width as
the maximum width, inclusive of whatever else has already been output.
* doc/ref/misc-modules.texi (Formatted Output): Document this.
* doc/ref/misc-modules.texi (Formatted Output): Add documentation for
the new ~@y format directive.
(Pretty Printing): Add documentation for truncated-write.
* module/ice-9/format.scm (format): Add ~@y, for doing a truncated
print. Also, allow both ~y variants to take a width parameter.
Moved ice-9/ and oop/ under module/, with the idea being that we have
only scheme under module/. Adjusted configure.in and Makefile.am
appropriately. Put oop/ at the end of the compilation order.
