forked from mirrors/org-mode
simplify the discussion of :var causing execution
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doc/org.texi
10
doc/org.texi
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@ -13211,14 +13211,8 @@ include anything in the Org mode file that takes a @code{#+NAME:},
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@code{#+BEGIN_EXAMPLE} blocks, other code blocks, and the results of other
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code blocks.
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When a reference is made to another code block, the referenced block will be
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evaluated whenever needed, in order to supply its value to the referencing
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block. If the referenced block is cached (see @ref{cache}), its value will
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be reused if possible, instead of being re-calculated. If the referring code
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block is cached, its hash value will depend on the value of all the code
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blocks it references. This system can thus be used to create a system of
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as-needed re-evaluation among code blocks similar to that provided by
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@uref{http://yihui.name/knitr/, knitr} or Sweave.
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Note: When a reference is made to another code block, the referenced block
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will be evaluated unless it has current cached results (see @ref{cache}).
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Argument values can be indexed in a manner similar to arrays (see @ref{var,
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Indexable variable values}).
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