updated for version 7.3.069
Problem:    GTK: pressing Enter in inputdialog() doesn't work like clicking OK
            as documented.
Solution:   call gtk_entry_set_activates_default(). (Britton Kerin)
diff --git a/src/gui_gtk.c b/src/gui_gtk.c
index 1533c64..326a30c 100644
--- a/src/gui_gtk.c
+++ b/src/gui_gtk.c
@@ -1287,6 +1287,9 @@
 	entry = gtk_entry_new();
 	gtk_widget_show(entry);
 
+	/* Make Enter work like pressing OK. */
+        gtk_entry_set_activates_default(GTK_ENTRY(entry), TRUE);
+
 	text = CONVERT_TO_UTF8(textfield);
 	gtk_entry_set_text(GTK_ENTRY(entry), (const char *)text);
 	CONVERT_TO_UTF8_FREE(text);