gboolean send_filename_to_gs; /* True if gs should read from file directly */
gboolean reading_from_pipe; /* True if ggv is reading input from pipe */
struct document *doc;
gboolean send_filename_to_gs; /* True if gs should read from file directly */
gboolean reading_from_pipe; /* True if ggv is reading input from pipe */
struct document *doc;