diff options
Diffstat (limited to 'erts/doc/src/erlang.xml')
| -rw-r--r-- | erts/doc/src/erlang.xml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml index f41ed87048..0e82ceba7d 100644 --- a/erts/doc/src/erlang.xml +++ b/erts/doc/src/erlang.xml @@ -10129,6 +10129,11 @@ timestamp() -> time stamp flags are remembered, so if two are passed and the one with highest precedence later is disabled, the other one becomes active.</p> + <p>If a match specification (applicable only for <c>call</c>, <c>send</c> + and <c>'receive'</c> tracing) contains a <c>{message}</c> action + function with a non-boolean value, that value is added as an extra + element to the message tuple either in the last position or before + the timestamp (if it is present).</p> <p>Trace messages:</p> <marker id="trace_3_trace_messages"></marker> <taglist> |