fix authors data file handling

CHANGELOG.md

@@ -5,3 +5,4 @@
     for the default content section (defaults to `posts` or `post`)
 - BUGFIX
   - normalize source icon size for the icon font
+  - fix authors data file handling

exampleSite/content/posts/emojies.md

@@ -3,6 +3,7 @@ title: "Emoji Support"
 date: 2020-07-13T19:00:00+02:00
 authors:
   - john-doe
+  - Special User
 tags:
   - Documentation
 ---

exampleSite/data/authors/Special User.yml

@@ -0,0 +1,2 @@
+name: Sven Special
+email: sven@example.com

layouts/_default/list.html

@@ -49,7 +49,7 @@
             {{ with .Params.authors }}
             {{ range sort . }}
                 {{ $author := index $.Site.Data.authors . }}
-                {{ with $.Site.GetPage (printf "/authors/%s" $author.name | urlize) }}
+                {{ with $.Site.GetPage (printf "/authors/%s" . | urlize) }}
                     {{ if eq $ac 0 }}
                     <span class="no-wrap">
                     <svg class="icon person"><use xlink:href="#person"></use></svg>