Remove the copyright setting from settings.yml and put it in the layout directly, since it needs to contain HTML (a link to the license)

config/settings.yml

@@ -31,5 +31,4 @@ database:
   database: "_env:MYSQL_DATABASE:lebd"
   poolsize: "_env:MYSQL_POOLSIZE:10"
 
-copyright: 'All content on this site is licensed under a <a rel="license" href="//creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.'
 #analytics: UA-YOURCODE

src/Settings.hs

@@ -59,8 +59,6 @@ data AppSettings = AppSettings
     -- ^ Perform no stylesheet/script combining
 
     -- Example app-specific configuration values.
-    , appCopyright              :: Text
-    -- ^ Copyright text to appear in the footer of the page
     , appAnalytics              :: Maybe Text
     -- ^ Google Analytics code
 
@@ -91,7 +89,6 @@ instance FromJSON AppSettings where
         appMutableStatic          <- o .:? "mutable-static"   .!= defaultDev
         appSkipCombining          <- o .:? "skip-combining"   .!= defaultDev
 
-        appCopyright              <- o .:  "copyright"
         appAnalytics              <- o .:? "analytics"
 
         -- This code enables MySQL's strict mode, without which MySQL will truncate data.

templates/default-layout.hamlet

@@ -47,4 +47,5 @@ $else
 <footer .footer>
     <div .container>
         <p .text-muted>
-            #{appCopyright $ appSettings master}
+            All content on this site is licensed under a
+            <a rel="license" href="//creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.