--- a/CODING	Wed Dec 12 22:02:48 2018 +0200
+++ b/CODING	Tue May 14 11:46:50 2019 +0300
@@ -9,6 +9,15 @@
 If the first word of the message is "error" or "warning" (case insensitive)
 the message will be color-coded appropriately.
 
+
+GTKInspector:
+
+DEBUG_NAME(widget)
+For use with the GTKInspector to provide a visual indication of where objects are declared.
+
+Sample command line call:
+GTK_DEBUG=interactive src/geeqie
+
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 GPL header, in every file, like this: