* no work
#+begin_src sh sh :tangle hw.sh :var x="hello world" :shebang #!/bin/sh :comments link
echo $x
#+end_src
* works
#+begin_src sh sh :tangle hw2.sh :comments link
echo "helloworld2"
#+end_src
* stillworks
#+begin_src sh sh :tangle hw3.sh :comments link :shebang #!/bin/sh
echo "helloworld3"
#+end_src
I've tested with 9.1.7 and 9.1.14 so if this is supposed to be supported it's not something newly broken.
Thx.
--Brad