2011-09-13  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* src/stf.c (stf_open_and_read): do not check for NUL here
	(clear_stray_NULs): new
	(stf_read_workbook_auto_csvtab): adjust call to go_guess_encoding and
	call clear_stray_NULs
	(csv_tsv_probe): adjust call to go_guess_encoding

2011-09-13  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* dialog-stf-main-page.c (stf_dialog_main_page_init): adjust call to
	go_guess_encoding

2011-09-13  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* html_read.c (html_file_probe): adjust call to go_guess_encoding