final changes to xkcd

otouto/plugins/xkcd.lua

@@ -39,13 +39,14 @@ function xkcd:action(msg, config)
         utilities.send_reply(msg, config.errors.connection)
     else
         local data = JSON.decode(jstr)
-        local output = string.format('*%s (*[%s](%s)*)*\n_%s_',
-            utilities.fix_UTF8(data.safe_title):gsub('*', '*\\**'),
+        local output = string.format(
+            '<b>%s</b> (<a href="%s">%s</a>)\n<i>%s</i>',
+            utilities.html_escape(utilities.fix_utf8(data.safe_title)),
+            utilities.html_escape(data.img),
             data.num,
-            data.img,
-            utilities.fix_UTF8(data.alt):gsub('_', '_\\__')
+            utilities.html_escape(utilities.fix_utf8(data.alt))
         )
-        utilities.send_message(msg.chat.id, output, false, nil, true)
+        utilities.send_message(msg.chat.id, output, false, nil, 'html')
     end
 end
 

otouto/utilities.lua

@@ -321,14 +321,10 @@ utilities.style.enquote = function(title, body)
     return '*' .. title:gsub('*', '\\*') .. ':*\n"' .. utilities.md_escape(body) .. '"'
 end
 
--- Converts a string back into "proper" utf-8 from an ascii representation of utf-8
--- it is only useful for fixing improper encoding caused by bad JSON escaping
-function utilities.fix_UTF8(str)
-	local t = {}
-	for p, c in utf8.codes(str) do
-		table.insert(t, string.char(c))
-	end
-	return table.concat(t)
+ -- Converts a gross string back into proper UTF-8.
+ -- Useful for fixing improper encoding caused by bad JSON escaping.
+function utilities.fix_utf8(str)
+	return string.char(utf8.codepoint(str, 1, -1))
 end