Note coleslaw-heroku in the README.

README.md

@@ -17,6 +17,7 @@ Coleslaw aims to be flexible blog software suitable for replacing a single-user
 * Plugins to...
   * Use LaTeX (inside pairs of $$) via Mathjax
   * Import from wordpress
+* There is also a [Heroku buildpack](https://github.com/jsmpereira/coleslaw-heroku) maintained by Jose Pereira.
 
 ## Installation
 This software should be portable to any conforming Common Lisp implementation but this guide will assume SBCL is installed. Testing has also been done on CCL.

src/config.lisp

@@ -6,9 +6,9 @@
    (domain :initarg :domain :initform "" :accessor domain)
    (feeds :initarg :feeds :initform nil :accessor feeds)
    (license :initarg :license :initform nil :accessor license)
-   (plugins :initarg :plugins :initform '() :accessor plugins)
+   (plugins :initarg :plugins :initform nil :accessor plugins)
    (repo :initarg :repo :initform #p"/" :accessor repo)
-   (sitenav :initarg :sitenav :initform "" :accessor sitenav)
+   (sitenav :initarg :sitenav :initform nil :accessor sitenav)
    (staging :initarg :staging :initform #p"/tmp/coleslaw/" :accessor staging)
    (title :initarg :title :initform "" :accessor title)
    (theme :initarg :theme :initform "hyde" :accessor theme)))