Try and fix problem with bugs.html being rebuilt

There were tabs in the part of the file (copy pasted in fact) that was
regenerated each time and I converted them to spaces. Doing a git add -u
and then trying to rebuild bugs.html did not seem to update the file and
since it had in the past I hope this solves the problem.

bugs.html

@@ -974,10 +974,10 @@ test the entry one can do:</p>
 sentence.</p>
 <p>But doing this shows instead:</p>
 <pre><code>    echo &quot;Quartz glyph jocks vend, fix, BMW.&quot; | compress | ./btoa | ./jaw
-    a얖?)V...?????777??hC??h??-?        )SSSSXXX????r?L=???*?-???ppp,,,?R
+    a얖?)V...?????777??hC??h??-?    )SSSSXXX????r?L=???*?-???ppp,,,?R
     ?j
     111-)))? &#39;..F@E
-                   ???b111?
+           ???b111?
     ..F..F.?n,,,,,L@E$</code></pre>
 <p>Notice how there’s no newline at the end: that final <code>$</code> is the prompt.</p>
 <p>If one does, however:</p>

bugs.md

@@ -838,10 +838,10 @@ But doing this shows instead:
 
 ``` <!---sh-->
     echo "Quartz glyph jocks vend, fix, BMW." | compress | ./btoa | ./jaw
-    a얖?)V...?????777??hC??h??-?	)SSSSXXX????r?L=???*?-???ppp,,,?R
+    a얖?)V...?????777??hC??h??-?    )SSSSXXX????r?L=???*?-???ppp,,,?R
     ?j
     111-)))? '..F@E
-		   ???b111?
+           ???b111?
     ..F..F.?n,,,,,L@E$
 ```