Fix utf8 deps

.travis/before.sh

@@ -5,5 +5,4 @@ set -ex
 luarocks install busted
 luarocks install cluacov
 luarocks install lua-cjson $LUA_CJSON
-# lua 5.3+ already has utf8 module
-luarocks install utf8 || true
+luarocks install luautf8

docs/dev/date.md

@@ -3,4 +3,4 @@ layout: page
 title: Components › tokenizer
 ---
 
-Documentation coming soon. See [date.lua](https://github.com/unifire-app/aspect/blob/master/src/aspect/tokenizer.lua)
+Documentation coming soon. See [date.lua](https://github.com/unifire-app/aspect/blob/master/src/aspect/date.lua)

docs/index.md

@@ -121,7 +121,7 @@ package.path = '/path/to/aspect/src/?.lua;' .. package.path
 - [Convention](./dev.md#convention)
 - [Code of conduct](https://github.com/unifire-app/aspect/blob/master/CODE_OF_CONDUCT.md)
 - [Debugging](./dev.md#debug)
-- Reusable components
+- Components
   - [Tokenizer](./dev/tokenizer.md)
   - [Date](./dev/date.md)
 

src/aspect/config.lua

@@ -122,14 +122,12 @@ end
 
 --- Detect UTF8 module
 do
-    local utf8 = utf8
-    if not utf8 then
-        for _, name in ipairs({"utf8", "lua-utf8"}) do
-            local ok, module = pcall(require, name)
-            if ok then
-                utf8 = module
-                break
-            end
+    local utf8
+    for _, name in ipairs({"lua-utf8", "utf8", "lutf8"}) do
+        local ok, module = pcall(require, name)
+        if ok then
+            utf8 = module
+            break
         end
     end
     if utf8 then