change HTML strike to del

2001/schweikh/README.md

@@ -95,7 +95,7 @@ character glob pattern evaluator, returning nonzero for a match:
 
 The recursion wonderfully and magically takes care of iteration and
 backtracking. I could tell you how it works but then I would have to
-<strike>kill</strike> request a NDA from you :-) Run it under a debugger with several
+<del>kill</del> request a NDA from you :-) Run it under a debugger with several
 inputs, it will be quite helpful and instructive. Handling of `?` is
 straightforward; for `*` start out with `*foo` and `foo*` against `foo`.
 How does it deal with sequences of adjacent `*`? How could this be

2001/schweikh/index.html

@@ -208,7 +208,7 @@ program in less than a screenful.</li>
 </ul>
 <p>The recursion wonderfully and magically takes care of iteration and
 backtracking. I could tell you how it works but then I would have to
-<strike>kill</strike> request a NDA from you :-) Run it under a debugger with several
+<del>kill</del> request a NDA from you :-) Run it under a debugger with several
 inputs, it will be quite helpful and instructive. Handling of <code>?</code> is
 straightforward; for <code>*</code> start out with <code>*foo</code> and <code>foo*</code> against <code>foo</code>.
 How does it deal with sequences of adjacent <code>*</code>? How could this be