stardiviner <numbchild@gmail.com> writes:

> The ob-clojure tangle will insert ~(ns ..)~ from babel header argument :ns or use defualt ~(ns user)~.
>
>    #+begin_src clojure :eval no :ns "" :tangle "data/code/xunfei-clj-demo/project.clj" :results link :file "data/code/xunfei-clj-demo/project.clj"
>    (defproject xunfei-clj-demo "0.1.0-SNAPSHOT"
>      :description "xunfei-clj demo"
>      :url "http://example.com/FIXME"
>      :license {:name "Eclipse Public License"
>                :url  "http://www.eclipse.org/legal/epl-v10.html"}
>      :dependencies [[org.clojure/clojure "1.9.0"]
>                     [xunfei-clj "0.1.4-SNAPSHOT"]]
>      :resource-paths ["lib/Msc.jar"])
>    #+end_src
>
> In upper case, obviously I don't want insert the ~(ns ..)~ line of code.
>
> I hope the ob-clojure header argument ~:ns~ should detect value like
> "nil", "" (empty string) or something else. Or when ~:ns~ header
> argument is not specified. So that the tangling will not auto insert
> ~(ns ..)~ line.

I added an patch to detect :ns is not specified which is `nil'. This
will be better for tangling.