HTML Proofer: Relax failures

 - The additional "#" anchor that is correctly escaped in the Geomap
demos can be ignored.
 - The query fragment in French text highlight demo appears to have
characters that may need to be escaped. This is also the reason the
encoding direct is now required in the Rakefile.

Rakefile

@@ -1,3 +1,5 @@
+# encoding: utf-8
+
 require "html/proofer"
 
 task :default => [:test]
@@ -6,12 +8,17 @@ task :test do
 	HTML::Proofer.new("dist/", {
 		:href_ignore => [
 			"#",
+			# The additional anchor link is picked up from the Geomap JSON, but shouldn't be flagged
+			"\\\"#\\\"",
 			"/v4.0-ci/index.html",
 			"/v4.0-ci/index-en.html",
 			"/v4.0-ci/index-fr.html",
 			"/v4.0-ci/unmin/index.html",
 			"/v4.0-ci/unmin/index-en.html",
 			"/v4.0-ci/unmin/index-fr.html",
+			# The texthighlight plug-in has some non-escaped characters in the query string
+			"texthighlight/texthighlight-fr.html?txthl=influenza%20aviaire+monde+suffis+symptômes%20semblables%20à%20ceux%20de%20l'influenza+À%20titre%20de%20rappel...+À%20de%20rares%20occasions,%20des%20humains%20ont%20été%20infectés%20par%20ce%20virus.",
+			"../../../demos/texthighlight/texthighlight-en.html?txthl=influenza%20aviaire+monde+suffis+sympt%C3%B4mes%20semblables%20%C3%A0%20ceux%20de%20l'influenza+%C3%80%20titre%20de%20rappel...+%C3%80%20de%20rares%20occasions,%20des%20humains%20ont%20%C3%A9t%C3%A9%20infect%C3%A9s%20par%20ce%20virus.#exemple"
 		],
 		:disable_external => true,
 		:ext => ".html"