Add item: Avoid using "iff" in doc strings.

diff --git a/etc/TODO b/etc/TODO
index 6f46b182ddee0bea9e317b747b5ba8c0b9a5025a..1d093b9c7cd6a5dc8460b70b73b7a5e30ffe0f76 100644 (file)
--- a/etc/TODO
+++ b/etc/TODO
@@ -14,6 +14,8 @@ to the FSF.
 
 * Small but important fixes needed in existing features:
 
+** Avoid using "iff" in doc strings.
+
 ** mouse-autoselect-window should wait to select the window until
 the mouse is put to rest or after a delay or both, so that moving over
 a window doesn't select it.