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-rw-r--r--system/doc/design_principles/statem.xml10
1 files changed, 6 insertions, 4 deletions
diff --git a/system/doc/design_principles/statem.xml b/system/doc/design_principles/statem.xml
index 0667af7868..7febe31df3 100644
--- a/system/doc/design_principles/statem.xml
+++ b/system/doc/design_principles/statem.xml
@@ -1582,10 +1582,12 @@ format_status(Opt, [_PDict,State,Data]) ->
for example, a complex state term like a tuple.
</p>
<p>
- One reason to use this is when you have
- a state item that affects the event handling,
- in particular in combination with postponing events.
- We complicate the previous example
+ One reason to use this is when you have a state item
+ that when changed should cancel the
+ <seealso marker="#State Time-Outs">state time-out</seealso>,
+ or one that affects the event handling
+ in combination with postponing events.
+ We will complicate the previous example
by introducing a configurable lock button
(this is the state item in question),
which in the <c>open</c> state immediately locks the door,