*/
int a_babel_convert_from( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, const char *file, gpointer user_data );
gboolean a_babel_convert_from_shellcommand ( VikTrwLayer *vt, const char *input_cmd, const char *input_type, BabelStatusFunc cb, gpointer user_data );
*/
int a_babel_convert_from( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, const char *file, gpointer user_data );
gboolean a_babel_convert_from_shellcommand ( VikTrwLayer *vt, const char *input_cmd, const char *input_type, BabelStatusFunc cb, gpointer user_data );