Re: [O] [bug] Symbol's function definition is void: when-let

[Nick Dokos]

Bernd Weiss <address@hidden> wrote:

> export to LaTeX/PDF. It stops with "Symbol's function definition is
> void: when-let", i.e.
> 
> Fontifying  org-src-fontification:emacs-lisp-mode...
> (regexps...............)
> Symbol's function definition is void: when-let
> 

Yup: Eric S.'s commit (tip when I pulled a few minutes ago) uses when-let,
which is not defined in my emacs either. It's either a typo or an Eric S.
special.

Nick

,----
| commit 72c154e38e526b5f8bb5f200fb31bc6fec145ba6
| Author: Eric Schulte <address@hidden>
| Date:   Thu May 19 07:37:33 2011 -0600
| 
|     expand noweb refs when ":noweb yes" during export
|     
|     * lisp/ob-exp.el (org-babel-exp-do-export): Use `org-babel-exp-code'
|       to generate code block output.
|       (org-babel-exp-code): Re-create the code block body for exporting
|       source code.
| 
| diff --git a/lisp/ob-exp.el b/lisp/ob-exp.el
| index d700f6d..ce04f13 100644
| --- a/lisp/ob-exp.el
| +++ b/lisp/ob-exp.el
| @@ -238,9 +238,17 @@ The function respects the value of the :exports header 
argument."
|        (clean () (unless (eq type 'inline) (org-babel-remove-result info))))
|      (case (intern (or (cdr (assoc :exports (nth 2 info))) "code"))
|        ('none (silently) (clean) "")
| -      ('code (silently) (clean) nil)
| +      ('code (silently) (clean) (org-babel-exp-code info))
|        ('results (org-babel-exp-results info type nil hash) "")
| -      ('both (org-babel-exp-results info type nil hash) nil))))
| +      ('both (org-babel-exp-results info type nil hash)
| +          (org-babel-exp-code info)))))
| +
| +(defun org-babel-exp-code (info)
| +  "Return the original code block formatted for export."
| +  (org-fill-template "#+BEGIN_SRC %lang%flags\n%body\n#+END_SRC\n"
| +                  `(("lang"  . ,(nth 0 info))
| +                    ("flags" . ,(when-let (f (nth 3 info)) (concat " " f)))
| +                    ("body"  . ,(nth 1 info)))))
|  
|  (defun org-babel-exp-results (info type &optional silent hash)
|    "Evaluate and return the results of the current code block for export.
`----