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From: Aaron Ecay <aaronecay@gmail.com>
To: emacs-orgmode@gnu.org
Subject: [PATCH 10/10] Document how :var introduces code block dependencies.
Date: Mon,  1 Apr 2013 01:42:24 -0400	[thread overview]
Message-ID: <1364794944-13826-11-git-send-email-aaronecay@gmail.com> (raw)
In-Reply-To: <1364794944-13826-1-git-send-email-aaronecay@gmail.com>

* doc/org.texi: Document how :var introduces code block dependencies.
---
 doc/org.texi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/doc/org.texi b/doc/org.texi
index 6791570..dda922e 100644
--- a/doc/org.texi
+++ b/doc/org.texi
@@ -13211,6 +13211,15 @@ include anything in the Org mode file that takes a @code{#+NAME:},
 @code{#+BEGIN_EXAMPLE} blocks, other code blocks, and the results of other
 code blocks.
 
+When a reference is made to another code block, the referenced block will be
+evaluated whenever needed, in order to supply its value to the referencing
+block.  If the referenced block is cached (see @ref{cache}), its value will
+be reused if possible, instead of being re-calculated.  If the referring code
+block is cached, its hash value will depend on the value of all the code
+blocks it references.  This system can thus be used to create a system of
+as-needed re-evaluation among code blocks similar to that provided by
+@uref{http://yihui.name/knitr/, knitr} or Sweave.
+
 Argument values can be indexed in a manner similar to arrays (see @ref{var,
 Indexable variable values}).
 
-- 
1.8.2

  parent reply	other threads:[~2013-04-01  5:42 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-01  5:42 [PATCH 00/10] babel cleanups Aaron Ecay
2013-04-01  5:42 ` [PATCH 01/10] Fix org-babel-R-initiate-session Aaron Ecay
2013-04-03 13:46   ` Eric Schulte
2013-04-01  5:42 ` [PATCH 02/10] Clean up org-babel-expand-body: functions for awk and picolisp Aaron Ecay
2013-04-03 13:56   ` Eric Schulte
2013-04-01  5:42 ` [PATCH 03/10] Clean up various org-babel-*-maybe commands Aaron Ecay
2013-04-02 19:31   ` Achim Gratz
2013-04-03 14:18   ` Bastien
2013-04-18  7:03     ` Aaron Ecay
2013-04-18  8:06       ` [PATCH 1/4] " Aaron Ecay
2013-04-18 10:28         ` Bastien
2013-04-20 10:10       ` [PATCH 03/10] " Eric Schulte
2013-04-22  3:52         ` Aaron Ecay
2013-04-01  5:42 ` [PATCH 04/10] Add 'light argument to some uses of org-babel-get-src-block-info Aaron Ecay
2013-04-03 14:09   ` Eric Schulte
2013-04-18  7:09     ` Aaron Ecay
2013-04-20 10:09       ` Eric Schulte
2013-04-22  3:51         ` Aaron Ecay
2013-04-01  5:42 ` [PATCH 05/10] Remove info arg from several org-babel functions Aaron Ecay
2013-04-03 13:58   ` Eric Schulte
2013-04-18  7:07     ` Aaron Ecay
2013-04-01  5:42 ` [PATCH 06/10] Use prefix arg in org-edit-special Aaron Ecay
2013-04-03 13:42   ` Eric Schulte
2013-04-03 17:02     ` Bastien
2013-04-01  5:42 ` [PATCH 07/10] Simplify org-babel-execute-src-block Aaron Ecay
2013-04-02 19:41   ` Achim Gratz
2013-04-03 13:54     ` Eric Schulte
2013-04-03 17:05       ` Achim Gratz
2013-04-03 17:20         ` Eric Schulte
2013-04-01  5:42 ` [PATCH 08/10] Fix testing/lisp/test-ob-emacs-lisp.el Aaron Ecay
2013-04-03 13:47   ` Eric Schulte
2013-04-01  5:42 ` [PATCH 09/10] Remove org-babel-check-confirm-evaluate macro Aaron Ecay
2013-04-02 19:53   ` Achim Gratz
2013-04-03 14:05     ` Eric Schulte
2013-04-01  5:42 ` Aaron Ecay [this message]
2013-04-03 14:04   ` [PATCH 10/10] Document how :var introduces code block dependencies Eric Schulte
2013-04-02 22:14 ` [PATCH 00/10] babel cleanups Eric Schulte
2013-04-03 14:13   ` Eric Schulte
2013-04-03 16:21     ` Bastien

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