GtkTextTag *glk_style_tag = gtk_text_tag_table_lookup(tags, win->window_stream->glk_style);
GtkTextTag *link_style_tag = gtk_text_tag_table_lookup(tags, "hyperlink");
GtkTextTag *glk_style_tag = gtk_text_tag_table_lookup(tags, win->window_stream->glk_style);
GtkTextTag *link_style_tag = gtk_text_tag_table_lookup(tags, "hyperlink");