Thu May  7 08:17:28 1998  Tim Janik  <timj@gtk.org>

        * glib.h (G_GNUC_PRINTF):
        (G_GNUC_SCANF): macros to facilitate the printf/scanf format argument
        checking of gcc.

        * gstring.c: const corrections, string!=NULL checks at function entry.
        (g_string_down): new function for tolower(3) conversion.
        (g_string_up): new function for toupper(3) conversion.

        * gutils.c: const corrections.
        (g_strdown): g_string_down() counterpart.
        (g_strup): g_string_up() counterpart.

        * gscanner.c (g_scanner_unexp_token):
        (g_scanner_error):
        (g_scanner_warn): new functions to let a scanner put out warnings
        or errors, especially to react on unexpected tokens.

        * gslist.c:
        (g_slist_index): find out about about the position of a
        certain data pointer.
        (g_slist_position): find out about about the position of a
        certain node.

        * glist.c:
        (g_list_index): find out about about the position of a
        certain data pointer.