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new 54e0390 Publishing from c286860c62aa73c945d6b8ac0244a22eaa9baa53
54e0390 is described below
commit 54e03906007e5b505559d9f64cb69bc92960167b
Author: Apache Daffodil Site Autobuild <[email protected]>
AuthorDate: Fri Oct 17 14:07:12 2025 +0000
Publishing from c286860c62aa73c945d6b8ac0244a22eaa9baa53
---
content/unsupported/index.html | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/content/unsupported/index.html b/content/unsupported/index.html
index b4fcd0c..2bb2e74 100644
--- a/content/unsupported/index.html
+++ b/content/unsupported/index.html
@@ -150,6 +150,25 @@ but may return in a future version of the DFDL spec.)</li>
<li>dfdl:useNilForDefault [<a
href="https://issues.apache.org/jira/browse/DAFFODIL-1412";>DAFFODIL-1412</a>]</li>
</ul>
+<h4 id="xpath-features">XPath Features</h4>
+
+<ul>
+ <li>Arbitrary precision for numeric operations (+, -, *, div, idiv, mod) is
only
+used in specific cases. This can potentially lead to loss of precision or
+overflow/underflow. The rules for promoting operands are as follows:
+ <ul>
+ <li>If both operands are xs:long, xs:unsignedInt, or a subtype, both
operands
+are promoted to xs:long</li>
+ <li>If one operand is xs:float or xs:double and the other is xs:float,
+xs:double, xs:long, xs:unsignedLong, or a subtype, the operands are
+promoted to xs:double</li>
+ <li>If one operand is xs:integer or xs:nonNegativeInteger, and the other
is
+xs:integer or a subtype, both operands are promoted to xs:integer.</li>
+ <li>Otherwise, both operands are promoted to xs:decimal</li>
+ </ul>
+ </li>
+</ul>
+
<p>The above listings are derived from
this <a
href="https://s.apache.org/daffodil-unimplemented-dfdl-language-features";>DFDL
Language New Features JIRA Report
</a>.</p>
