[CSS21] Ended an entity reference with ";" to help non-SGML tools.

Author: bert-github

css21/visudet.src

@@ -681,7 +681,7 @@ algorithm is as follows:
 
 <p>Select from the table the resolved height and width values for the
 appropriate constraint violation. Take the <var>max-width</var> and
-<var>max-height</var> as max(min, max) so that <var>min</var> &#8804
+<var>max-height</var> as max(min, max) so that <var>min</var> &#8804;
 <var>max</var> holds true.
 In this table <var>w</var> and <var>h</var> stand for the results of
 the width and height computations ignoring the <span