From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jherek@t-online.de" <Jherek@t-online.de>
Subject: Babel: Why does noweb work differently depending on 'call depth'?
Date: Sat, 23 Jun 2018 15:08:42 +0200 (CEST)
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To: "gnu.org, emacs-orgmode" <emacs-orgmode@gnu.org>

Hi list,

have spent hours with trying to de-mystify this issue, but no chance to get=
 it.
Any hints or doc references are welcome.


Given a src block with a simple if clause depending on parameter p1:

#+NAME: decider
#+BEGIN_SRC emacs-lisp :var p1=3D"tbd" :results output
  (cond ((equal p1 "valA")(print "VALUE A"))
=09((equal p1 "valB")(print "B VALUE"))
=09(t (print (concat "ERROR: p1=3D>|" p1 "|< not handled" ))) )
#+END_SRC


Why does the following noweb call result in the t condition (and not in val=
B as expected)
although the p1 value seems to be received by the decider block:

#+BEGIN_SRC shell :var x=3D"valB" :noweb yes :results output raw
echo -n <<decider(p1=3D"$x")>>
#+END_SRC
=3D=3D ERROR: p1=3D>|valB|< not handled


while hard coded param value will work (valA chosen to differentiate from x=
):

#+BEGIN_SRC shell :var x=3D"valB" :noweb yes :results output raw
echo -n <<decider(p1=3D"valA")>>
#+END_SRC

#+RESULTS:
VALUE A

Hard coded "valB" will work as well.

Different Linux Emacsen with org-mode 9+ show same results.

Thank you very much in advance,

Jherek=EF=BB=BF