[text.encoding.members] Use "static_assert" instead of "assert" in example.

Author: burblebee

source/locales.tex

@@ -5004,10 +5004,10 @@
 
 \begin{example}
 \begin{codeblock}
-assert(@\exposid{comp-name}@("UTF-8", "utf8") == true);
-assert(@\exposid{comp-name}@("u.t.f-008", "utf8") == true);
-assert(@\exposid{comp-name}@("ut8", "utf8") == false);
-assert(@\exposid{comp-name}@("utf-80", "utf8") == false);
+static_assert(@\exposid{comp-name}@("UTF-8", "utf8") == true);
+static_assert(@\exposid{comp-name}@("u.t.f-008", "utf8") == true);
+static_assert(@\exposid{comp-name}@("ut8", "utf8") == false);
+static_assert(@\exposid{comp-name}@("utf-80", "utf8") == false);
 \end{codeblock}
 \end{example}
 \end{itemdescr}