2008-12-13  Morten Welinder  <terra@gnome.org>

	* src/parse-util.c (gnm_conventions_new_full): Default value
	GNM_DIG for new field output.decimal_digits.

	* src/value.c (value_get_as_gstring): Use number of digits from
	output.decimal_digits.

	* src/xml-sax-write.c (gnm_xml_io_conventions): Increase the
	number of decimal digits used for output to avoid rounding errors
	and overflow.  Fixes #552464.


svn path=/trunk/; revision=17007