Index: doc/bind.n
==================================================================
--- doc/bind.n
+++ doc/bind.n
@@ -515,14 +515,15 @@
 For \fBConfigure\fR and \fBCreate\fR requests, the \fIx\fR and \fIy\fR
 coordinates of the window relative to its parent window.
 .IP \fB%A\fR 5
 Substitutes the UNICODE character corresponding to the event, or
 the empty string if the event does not correspond to a UNICODE character
-(e.g. the shift key was pressed). \fBXmbLookupString\fR (or
+(e.g. the shift key was pressed). On X11, \fBXmbLookupString\fR (or
 \fBXLookupString\fR when input method support is turned off) does all
 the work of translating from the event to a UNICODE character.
-Valid only for \fBKeyPress\fR and \fBKeyRelease\fR events.
+On X11, valid only for \fBKeyPress\fR event. On Windows and macOS/aqua,
+valid only for \fBKeyPress\fR and \fBKeyRelease\fR events.
 .IP \fB%B\fR 5
 The \fIborder_width\fR field from the event.  Valid only for
 \fBConfigure\fR, \fBConfigureRequest\fR, and \fBCreate\fR events.
 .IP \fB%D\fR 5
 This reports the \fIdelta\fR value of a \fBMouseWheel\fR event.  The

Index: unix/tkUnixKey.c
==================================================================
--- unix/tkUnixKey.c
+++ unix/tkUnixKey.c
@@ -136,12 +136,11 @@
 	goto done;
     }
 
 #ifdef TK_USE_INPUT_METHODS
     if ((winPtr->dispPtr->flags & TK_DISPLAY_USE_IM)
-	    && (winPtr->inputContext != NULL)
-	    && (eventPtr->type == KeyPress)) {
+	    && (winPtr->inputContext != NULL)) {
 	Status status;
 
 #if X_HAVE_UTF8_STRING
 	Tcl_DStringSetLength(dsPtr, TCL_DSTRING_STATIC_SIZE-1);
 	len = Xutf8LookupString(winPtr->inputContext, &eventPtr->xkey,
@@ -192,12 +191,11 @@
     } else
 #endif /* TK_USE_INPUT_METHODS */
     {
 	/*
 	 * Fall back to convert a keyboard event to a UTF-8 string using
-	 * XLookupString. This is used when input methods are turned off and
-	 * for KeyRelease events.
+	 * XLookupString. This is used when input methods are turned off.
 	 *
 	 * Note: XLookupString() normally returns a single ISO Latin 1 or
 	 * ASCII control character.
 	 */