Slight format improvement to rule 2 in guidelines

The '{', '}' and other chars that are referred to are now in code blocks
(surrounded by single quotes) to help make them stand out better. The
single quotes are there as depending on the person's perception (or if
they're tired or ...) the colour difference might not be enough (in fact
it's barely enough for me at this point and others are more colour blind
than I am). The block quote colour is being experimented with still,
too, so that is another reason to have the 's.

Added make gen_next rule to Makefile which builds next/index.html from
next/README.md, next/rules.html from next/rules.md and
next/guidelines.html from next/guidelines.md. The make help rule was
updated for this.

Makefile

@@ -287,6 +287,7 @@ help:
 	@echo 'make gen_other_html	 - build entry HTML files from markdown other than README.md'
 	@echo 'make gen_year_index	 - generate year level index.html files using from README.md files'
 	@echo 'make gen_top_html	 - generate a number of the top level HTML files from markdown'
+	@echo 'make gen_next		 - generate the HTML files in next/'
 	@echo 'make quick_entry_index	 - build winner index.html files that might be out of date'
 	@echo 'make find_missing_links	 - find markdown links to missing local files'
 	@echo
@@ -437,6 +438,11 @@ bugs: ${GEN_TOP_HTML} bugs.md
 	@${GEN_TOP_HTML} bugs
 	@echo "Eh, what's up, doc?"
 
+gen_next: ${GEN_TOP_HTML} next/README.md next/guidelines.md next/rules.md
+	${GEN_TOP_HTML} -v 1 next/README
+	${GEN_TOP_HTML} -v 1 next/guidelines
+	${GEN_TOP_HTML} -v 1 next/rules
+
 # build entry HTML files from markdown other than README.md to index.html
 #
 gen_other_html: ${GEN_OTHER_HTML}