From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Thomas S. Dye" <tsd@tsdye.com>
Subject: Re: [Babel] [Ann] varied updates and improvements
Date: Sat, 1 Jan 2011 11:01:04 -1000
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To: Eric Schulte <schulte.eric@gmail.com>
Cc: Org Mode <emacs-orgmode@gnu.org>

Aloha all,

I'm seeing some unexpected behavior with source blocks as I'm  
adding :cache yes as a multi-line header argument.  The top #+results:  
is with the addition of the #+header: :cache yes line.  Note the lack  
of a :results name and also the lack of the SHA1 hash.  The bottom # 
+results: line is the result before addition of the #+header: line.

#+srcname: r-edge-angle-histogram
#+header: :cache yes
#+begin_src R :results output :var x=whole-adzes :file r/ 
adze_edge_angle.png :width 400 :height 300
   library(ggplot2)
   adze.edge.angle <- ggplot(x, aes(edge_angle))
   adze.edge.angle + geom_histogram(aes(y=..density..)) +
   geom_density(weight=2) + xlab("Measured cutting edge angle  
(degrees)")
#+end_src

#+results:
[[file:r/adze_edge_angle.png]]

#+results: r-edge-angle-histogram
[[file:r/adze_edge_angle.png]]


All the best,
Tom

On Oct 21, 2010, at 4:18 AM, Eric Schulte wrote:

> Multi-line header arguments to code blocks
> -------------------------------------------
> Code block header arguments can now span multiple lines using the
> new =#+header:= or =#+headers:= lines preceding a code block or
> nested in between the name and body of a named code block.
> Examples are given below.
>
> - multi-line header arguments on an un-named code block
>  #+headers: :var data1=1
>  #+begin_src emacs-lisp :var data2=2
>    (message "data1:%S, data2:%S" data1 data2)
>  #+end_src
>
>  #+results:
>  : data1:1, data2:2
>
> - multi-line header arguments on a named code block
>    #+source: named-block
>    #+header: :var data=2
>    #+begin_src emacs-lisp
>      (message "data:%S" data)
>    #+end_src
>
>    #+results: named-block
>    : data:2