GtkTree section from David Huggins-Daines <bn711@freenet.carleton.ca>, add

GtkTree section from David Huggins-Daines <bn711@freenet.carleton.ca>, add

Mon Jul 27 09:18:13 BST 1998  Tony Gale  <gale@gtk.org>

        * docs/gtk_tut.sgml: GtkTree section from
          David Huggins-Daines <bn711@freenet.carleton.ca>,
          add a GtkText widget example
        * examples/text/* example/tree/* : new examples for the
          GtkTree and GtkText widgets
        * docs/gtk_tut.sgml: added an appendix to hold complete code                          examples that aren't in a full form elsewhere in the
          tutorial (e.g. scribble)