Minor update to about, fix Makefile rules

Makefile

@@ -282,7 +282,7 @@ clobber:
 	thanks gen_other_html quick_other_html quick_entry_index find_invalid_json \
 	gen_year_index quick_year_index quick_www www untar_entry_tarball untar_year_tarball \
 	form_entry_tarball form_year_tarball tar gen_status gen_sitemap \
-	sitemap timestamp update csv2entry entry2csv
+	sitemap timestamp update csv2entry entry2csv about contact
 
 # Suggest rules in this section
 #
@@ -632,9 +632,12 @@ about: ${GEN_TOP_HTML} about.md
 	@echo "You wonder what this is all about?"
 	@${GEN_TOP_HTML} about
 	@echo
-	@echo "You better not, because if you find out,"
-	@echo "it will instantly be replaced by something"
-	@echo "even more bizarre and inexplicable!"
+	@echo "You better not find out, because if you"
+	@echo "find out, it will instantly be replaced"
+	@echo "by something even more bizarre and"
+	@echo "inexplicable!"
+	@echo
+	@echo "Nobody wants that, do they?"
 	@echo '=-=-=-=-= IOCCC complete make $@ =-=-=-=-='
 
 # generate contact.html

about.html

@@ -448,7 +448,7 @@ for information on how to enter and submit to the IOCCC.</p>
 the <a href="next/rules.html">IOCCC Rules</a> and of the <a href="next/guidelines.html">IOCCC
 Guidelines</a>. You will see a dose of the technical,
 mixed with “nerd humor” (or humour if you prefer 🤓).</p>
-<p>If after all that you are still confused, sorry (tm Canada 😉).
+<p>If after all that you are still confused, sorry (tm Canada 🇨😉).
 Consider this: While the IOCCC often attempts to be presentable,
 it is under no obligation to be wholly understandable. One might
 say that to truly understand the IOCCC is problematic. And if

about.md

@@ -27,7 +27,7 @@ the [IOCCC Rules](next/rules.html) and of the [IOCCC
 Guidelines](next/guidelines.html).  You will see a dose of the technical,
 mixed with "nerd humor" (or humour if you prefer 🤓).
 
-If after all that you are still confused, sorry (tm Canada 😉).
+If after all that you are still confused, sorry (tm Canada 🇨😉).
 Consider this: While the IOCCC often attempts to be presentable,
 it is under no obligation to be wholly understandable.  One might
 say that to truly understand the IOCCC is problematic. And if