2003-12-21  Andreas J. Guelzow  <aguelzow@taliesin.ca>

	* src/stf-export.c (stf_export_options_set_format_mode): new
	(stf_export_options_new): initialize new fields
	(stf_export_options_set_format_mode): new
	(stf_export_cell): use rendered text if required
	* src/stf-export.h (StfExportOptions_t): add preserve_format
	(stf_export_options_set_format_mode): new

2003-12-21  Andreas J. Guelzow  <aguelzow@taliesin.ca>

	* dialog-stf-export.glade: add `Preserve Formats' checkbutton
	* dialog-stf-export-private.h (StfE_FormatPageData_t): add
	  GtkCheckButton  *format_preserve
	* dialog-stf-export-format-page.c (stf_export_dialog_format_page_init):
	  initialize format_preserve checkbutton
	(stf_export_dialog_format_page_result): extract format_preserve