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-rw-r--r--system/doc/reference_manual/expressions.xml1
1 files changed, 1 insertions, 0 deletions
diff --git a/system/doc/reference_manual/expressions.xml b/system/doc/reference_manual/expressions.xml
index 76b3e92937..8c47070890 100644
--- a/system/doc/reference_manual/expressions.xml
+++ b/system/doc/reference_manual/expressions.xml
@@ -578,6 +578,7 @@ number < atom < reference < fun < port < pid < tuple < map
ascending term order and then by values in key order.
In maps key order integers types are considered less than floats types.
</p>
+ <p>Atoms are compared using their string value, codepoint by codepoint.</p>
<p>When comparing an integer to a float, the term with the lesser
precision is converted into the type of the other term, unless the
operator is one of <c>=:=</c> or <c>=/=</c>. A float is more precise than