gettext

b989baba - Add an xerror_handler parameter to check_message and check_message_list.

Add an xerror_handler parameter to check_message and check_message_list. * gettext-tools/src/msgl-check.h: Include xerror-handler.h. (check_plural_eval, check_message, check_message_list): Add xerror_handler_ty parameter. * gettext-tools/src/msgl-check.c (check_plural_eval, check_plural, check_pair, check_header_entry, check_message, check_message_list): Add xerror_handler_ty parameter. Use it for error handling. (struct formatstring_error_logger_locals): Add xeh field. (formatstring_error_logger): Use it for error handling. * gettext-tools/libgettextpo/gettext-po.c: Don't include po-xerror.h. (po_file_check_all, po_message_check_all): Pass a stack-allocated xerror_handler to check_message_list. (po_message_check_format): Pass a stack-allocated xerror_handler to check_message. * gettext-tools/src/msgfmt.c (main, msgfmt_operand_list_add_from_directory): Use the default xerror_handler. * gettext-tools/src/msgmerge.c (match_domain): Likewise.