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-rw-r--r--lib/stdlib/doc/src/sys.xml8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/stdlib/doc/src/sys.xml b/lib/stdlib/doc/src/sys.xml
index 8930087555..59e5bb6cb5 100644
--- a/lib/stdlib/doc/src/sys.xml
+++ b/lib/stdlib/doc/src/sys.xml
@@ -276,7 +276,9 @@
<p><c><anno>Func</anno></c> is called whenever a system event is
generated. This function is to return <c>done</c>, or a new
<c>Func</c> state. In the first case, the function is removed. It is
- also removed if the function fails.</p>
+ also removed if the function fails. If one debug function should be
+ installed more times, a unique <c><anno>FuncId</anno></c> must be
+ specified for each installation.</p>
</desc>
</func>
@@ -330,8 +332,8 @@
<fsummary>Remove a debug function from the process.</fsummary>
<desc>
<p>Removes an installed debug function from the
- process. <c><anno>Func</anno></c> must be the same as previously
- installed.</p>
+ process. <c><anno>Func</anno></c> or <c><anno>FuncId</anno></c> must be
+ the same as previously installed.</p>
</desc>
</func>