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@@ -3327,6 +3327,9 @@ You should use the usual bitwise arithmetics to manipulate the bitmask: to enabl
 <li>
 <p><a id="format_skip_control_chars"></a><code>format_skip_control_chars</code> enables skipping characters belonging to range [0; 32) instead of "&amp;#xNN;" encoding. This flag is <strong>off</strong> by default.</p>
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+<p><a id="format_attribute_single_quote"></a><code>format_attribute_single_quote</code>  enables using single quotes <code>'</code> instead of double quotes <code>"</code> for enclosing attribute values. This flag is <strong>off</strong> by default.</p>
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@@ -5775,4 +5778,4 @@ Last updated 2019-03-09 06:55:22 STD
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