Remove `org-babel-use-quick-and-dirty-noweb-expansion'
* lisp/ob-core.el (org-babel-use-quick-and-dirty-noweb-expansion): Remove variable. (org-babel-expand-noweb-references): Update function. * doc/org.texi (noweb-ref): Document new behaviour. (Noweb reference syntax): Delete reference to removed variable. `org-babel-use-quick-and-dirty-noweb-expansion' main use is to speed up Noweb expansion when expanding only by name. By distinguishing name and reference expansion, we no longer need this variable. In the first case, the expansion is quicker anyway, and in the second case, we most certainly need an accurate expansion.
This commit is contained in:
Nicolas Goaziou
parent
22e7bc8e2b
commit
99dbca3d4f
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@ -16580,8 +16580,8 @@ Do things when True
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@cindex @code{:noweb-ref}, src header argument
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When expanding Noweb style references, Org concatenates @samp{src} code
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blocks by matching the reference name to either the code block name or the
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@code{:noweb-ref} header argument.
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blocks by matching the reference name to either the code block name or, if
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none is found, to the @code{:noweb-ref} header argument.
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For simple concatenation, set this @code{:noweb-ref} header argument at the
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sub-tree or file level. In the example Org file shown next, the body of the
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@ -17164,11 +17164,6 @@ Note that now the expansion contains the @emph{results} of the code block
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100
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@end example
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For faster tangling of large Org mode files, set
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@code{org-babel-use-quick-and-dirty-noweb-expansion} variable to @code{t}.
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The speedup comes at the expense of not correctly resolving inherited values
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of the @code{:noweb-ref} header argument.
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@node Key bindings and useful functions
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@section Key bindings and useful functions
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44
etc/ORG-NEWS
44
etc/ORG-NEWS
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@ -12,6 +12,46 @@ Please send Org bug reports to mailto:emacs-orgmode@gnu.org.
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* Version 9.2
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** Incompatible changes
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*** Change to Noweb expansion
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Expansion check =:noweb-ref= only if no matching named block is found
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in the buffer. As a consequence, any =:noweb-ref= value matching the
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name of a source block in the buffer is ignored. A simple fix is to
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give every concerned source-block, including the named one, a new,
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unique, Noweb reference.
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#+BEGIN_SRC org
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,#+NAME: foo
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,#+BEGIN_SRC emacs-lisp
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1
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,#+END_SRC
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,#+BEGIN_SRC emacs-lisp :noweb-ref foo
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2
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,#+END_SRC
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,#+BEGIN_SRC emacs-lisp :noweb yes
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<<foo>>
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,#+END_SRC
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#+END_SRC
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should become
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#+BEGIN_SRC org
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,#+NAME: foo
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,#+BEGIN_SRC emacs-lisp :noweb-ref bar
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1
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,#+END_SRC
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,#+BEGIN_SRC emacs-lisp :noweb-ref bar
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2
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,#+END_SRC
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,#+BEGIN_SRC emacs-lisp :noweb yes
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<<bar>>
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,#+END_SRC
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#+END_SRC
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*** =align= STARTUP value no longer narrow table columns
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Columns narrowing (or shrinking) is now dynamic. See [[*Dynamically
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@ -114,6 +154,10 @@ you should expect to see something like:
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See docstring for details.
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** Removed variables
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*** org-babel-use-quick-and-dirty-noweb-expansion
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** Miscellaneous
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*** ~org-publish-resolve-external-link~ accepts a new optional argument.
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@ -2651,12 +2651,6 @@ parameters when merging lists."
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;; Return merged params.
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params))
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(defvar org-babel-use-quick-and-dirty-noweb-expansion nil
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"Set to true to use regular expressions to expand noweb references.
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This results in much faster noweb reference expansion but does
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not properly allow code blocks to inherit the \":noweb-ref\"
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header argument from buffer or subtree wide properties.")
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(defun org-babel-noweb-p (params context)
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"Check if PARAMS require expansion in CONTEXT.
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CONTEXT may be one of :tangle, :export or :eval."
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@ -2703,16 +2697,8 @@ block but are passed literally to the \"example-block\"."
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(body (nth 1 info))
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(ob-nww-start org-babel-noweb-wrap-start)
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(ob-nww-end org-babel-noweb-wrap-end)
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(comment (string= "noweb" (cdr (assq :comments (nth 2 info)))))
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(rx-prefix (concat "\\(" org-babel-src-name-regexp "\\|"
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":noweb-ref[ \t]+" "\\)"))
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(new-body "")
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(nb-add (lambda (text) (setq new-body (concat new-body text))))
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(c-wrap (lambda (text)
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(with-temp-buffer
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(funcall (intern (concat lang "-mode")))
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(comment-region (point) (progn (insert text) (point)))
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(org-trim (buffer-string)))))
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index source-name evaluate prefix)
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(with-temp-buffer
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(setq-local org-babel-noweb-wrap-start ob-nww-start)
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@ -2752,50 +2738,66 @@ block but are passed literally to the \"example-block\"."
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(when (org-babel-ref-goto-headline-id source-name)
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(org-babel-ref-headline-body)))
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;; Find the expansion of reference in this buffer.
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(let ((rx (concat rx-prefix source-name "[ \t\n]"))
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expansion)
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(save-excursion
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(goto-char (point-min))
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(if org-babel-use-quick-and-dirty-noweb-expansion
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(while (re-search-forward rx nil t)
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(let* ((i (org-babel-get-src-block-info 'light))
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(body (org-babel-expand-noweb-references i))
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(sep (or (cdr (assq :noweb-sep (nth 2 i)))
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"\n"))
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(full (if comment
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(let* ((name-regexp
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(org-babel-named-src-block-regexp-for-name
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source-name))
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(comment
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(string= "noweb"
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(cdr (assq :comments (nth 2 info)))))
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(c-wrap
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(lambda (s)
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;; Comment, according to LANG mode,
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;; string S. Return new string.
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(with-temp-buffer
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(funcall (intern (concat lang "-mode")))
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(comment-region (point)
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(progn (insert s) (point)))
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(org-trim (buffer-string)))))
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(expand-body
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(lambda (i)
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;; Expand body of code blocked
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;; represented by block info I.
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(let ((b (org-babel-expand-noweb-references i)))
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(if (not comment) b
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(let ((cs (org-babel-tangle-comment-links i)))
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(concat (funcall c-wrap (car cs)) "\n"
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body "\n"
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(funcall c-wrap (cadr cs))))
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body)))
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(setq expansion (cons sep (cons full expansion)))))
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b "\n"
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(funcall c-wrap (cadr cs)))))))))
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(if (re-search-forward name-regexp nil t)
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;; Found a source block named SOURCE-NAME.
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;; Assume it is unique; do not look after
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;; `:noweb-ref' header argument.
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(funcall expand-body
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(org-babel-get-src-block-info 'light))
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;; Though luck. We go into the long process
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;; of checking each source block and expand
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;; those with a matching Noweb reference.
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(let ((expansion nil))
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(org-babel-map-src-blocks nil
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(let ((i (org-babel-get-src-block-info 'light)))
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(when (equal (or (cdr (assq :noweb-ref (nth 2 i)))
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(nth 4 i))
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source-name)
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(let* ((body (org-babel-expand-noweb-references i))
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(sep (or (cdr (assq :noweb-sep (nth 2 i)))
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"\n"))
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(full (if comment
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(let ((cs (org-babel-tangle-comment-links i)))
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(concat (funcall c-wrap (car cs)) "\n"
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body "\n"
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(funcall c-wrap (cadr cs))))
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body)))
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(when (equal source-name
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(cdr (assq :noweb-ref (nth 2 i))))
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(let ((sep (or (cdr (assq :noweb-sep (nth 2 i)))
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"\n")))
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(setq expansion
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(cons sep (cons full expansion)))))))))
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(cons sep
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(cons (funcall expand-body i)
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expansion)))))))
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(and expansion
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(mapconcat #'identity (nreverse (cdr expansion)) "")))
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(mapconcat #'identity
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(nreverse (cdr expansion))
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""))))))
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;; Possibly raise an error if named block doesn't exist.
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(if (or org-babel-noweb-error-all-langs
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(member lang org-babel-noweb-error-langs))
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(error "%s" (concat
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(org-babel-noweb-wrap source-name)
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"could not be resolved (see "
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"`org-babel-noweb-error-langs')"))
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(error "%s could not be resolved (see \
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`org-babel-noweb-error-langs')"
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(org-babel-noweb-wrap source-name))
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"")))
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"[\n\r]") (concat "\n" prefix))))))
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"[\n\r]")
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(concat "\n" prefix))))))
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(funcall nb-add (buffer-substring index (point-max))))
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new-body))
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@ -90,10 +90,8 @@ Current buffer is a copy of the original buffer."
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(should
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(equal
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'("(message \"expanded1\")" "(message \"expanded2\")" ";; noweb-1-yes-start
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(message \"expanded1\")
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(message \"expanded1\")" ";; noweb-no-start
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<<noweb-example1>>" ";; noweb-2-yes-start
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(message \"expanded2\")
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(message \"expanded2\")"
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";; noweb-tangle-start
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<<noweb-example1>>
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@ -684,8 +684,7 @@ x
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<<foo>>
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#+end_src
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#+name: foo
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#+begin_src sh :noweb-sep \"\"
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#+begin_src sh :noweb-ref foo :noweb-sep \"\"
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bar
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#+end_src
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