Jonathan provides wording for 4090

Author: jwakely

xml/issue4090.xml

@@ -41,9 +41,62 @@ single UTF-8 code unit.
 Set priority to 3 after reflector poll.
 </p>
 
+<note>2024-06-12; SG16 meeting</note>
+<p>
+The three major implementations all use `numpunct` but not `num_put`,
+clarify that this is the intended behaviour.
+</p>
+
+<note>2025-06-12; Jonathan provides wording</note>
+
 </discussion>
 
 <resolution>
+<p>
+This wording is relative to <paper num="N5008"/>.
+</p>
+
+<ol>
+<li><p>Modify <sref ref="[format.string.std]"/> as indicated:</p>
+
+<blockquote>
+-17-
+When the `L` option is used, the form used for the conversion is called the
+<i>locale-specific</i> form.
+The `L` option is only valid for arithmetic types,
+and its effect depends upon the type.
+<ol style="list-style-type: none">
+<li>
+(17.1) &mdash;
+For integral types, the locale-specific form causes the context’s locale
+to be used to insert the appropriate digit group separator characters
+<ins>
+as if obtained with <code>numpunct<ins>&lt;charT&gt;</ins>::grouping</code>
+and <code>numpunct<ins>&lt;charT&gt;</ins>::thousands_sep</code>
+</ins>.
+</li>
+<li>
+(17.2) &mdash;
+For floating-point types, the locale-specific form causes the context’s locale to be used to insert the
+appropriate digit group and radix separator characters
+<ins>
+as if obtained with <code>numpunct<ins>&lt;charT&gt;</ins>::grouping</code>,
+<code>numpunct<ins>&lt;charT&gt;</ins>::thousands_sep</code>, and
+<code>numpunct<ins>&lt;charT&gt;</ins>::decimal_point</code>
+</ins>.
+</li>
+<li>
+(17.3) &mdash;
+For the textual representation of `bool`, the locale-specific form causes
+the context’s locale to be used to insert the appropriate string
+as if obtained with <code>numpunct<ins>&lt;charT&gt;</ins>::truename</code>
+or <code>numpunct<ins>&lt;charT&gt;</ins>::falsename</code>.
+</li>
+</ol>
+</blockquote>
+</li>
+</ol>
+
 </resolution>
 
 </issue>