ox-latex: Support caption for latex-environment
* lisp/ox-latex.el (org-latex--environment-type): New function determining type of a latex-environment. (org-latex-latex-environment): Add support for caption. (org-latex--caption/label-string): Use correct type for non-floating latex-environments. * etc/ORG-NEWS: Add entry.
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@ -183,7 +183,7 @@ user to specify the name of the output file upon exporting the
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document. This also has an effect on publishing.
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**** Horizontal rules are no longer ignored in LaTeX table math mode
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**** Use ~compilation-mode~ for compilation output
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**** ~latex-environment~ elements support ~caption~ keywords for LaTeX export
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*** ~org-edit-special~ can edit LaTeX environments
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Using ~C-c '~ on a LaTeX environment opens a sub-editing buffer. By
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@ -1312,14 +1312,19 @@ For non-floats, see `org-latex--wrap-label'."
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(t
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(format (if nonfloat "\\captionof{%s}%s{%s%s}\n"
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"\\caption%s%s{%s%s}\n")
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(if nonfloat
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(cl-case type
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(paragraph "figure")
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(src-block (if (plist-get info :latex-listings)
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"listing"
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"figure"))
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(t (symbol-name type)))
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"")
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(let ((type* (if (eq type 'latex-environment)
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(org-latex--environment-type element)
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type)))
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(if nonfloat
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(cl-case type*
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(paragraph "figure")
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(image "figure")
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(special-block "figure")
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(src-block (if (plist-get info :latex-listings)
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"listing"
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"figure"))
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(t (symbol-name type*)))
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""))
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(if short (format "[%s]" (org-export-data short info)) "")
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label
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(org-export-data main info))))))
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@ -2250,24 +2255,62 @@ CONTENTS is nil. INFO is a plist holding contextual information."
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;;;; Latex Environment
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(defun org-latex--environment-type (latex-environment)
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"Return the TYPE of LATEX-ENVIRONMENT.
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The TYPE is determined from the actual latex environment, and
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could be a member of `org-latex-caption-above' or `math'."
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(let* ((latex-begin-re "\\\\begin{\\([A-Za-z0-9*]+\\)}")
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(value (org-remove-indentation
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(org-element-property :value latex-environment)))
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(env (or (and (string-match latex-begin-re value)
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(match-string 1 value))
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"")))
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(cond
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((string-match-p org-latex-math-environments-re value) 'math)
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((string-match-p
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(eval-when-compile
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(regexp-opt '("table" "longtable" "tabular" "tabu" "longtabu")))
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env)
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'table)
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((string-match-p "figure" env) 'image)
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((string-match-p
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(eval-when-compile
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(regexp-opt '("lstlisting" "listing" "verbatim" "minted")))
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env)
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'src-block)
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(t 'special-block))))
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(defun org-latex-latex-environment (latex-environment _contents info)
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"Transcode a LATEX-ENVIRONMENT element from Org to LaTeX.
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CONTENTS is nil. INFO is a plist holding contextual information."
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(when (plist-get info :with-latex)
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(let ((value (org-remove-indentation
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(org-element-property :value latex-environment))))
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(if (not (org-element-property :name latex-environment)) value
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(let* ((value (org-remove-indentation
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(org-element-property :value latex-environment)))
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(type (org-latex--environment-type latex-environment))
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(caption (if (eq type 'math)
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(org-latex--label latex-environment info nil t)
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(org-latex--caption/label-string latex-environment info)))
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(caption-above-p
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(memq type (append (plist-get info :latex-caption-above) '(math)))))
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(if (not (or (org-element-property :name latex-environment)
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(org-element-property :caption latex-environment)))
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value
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;; Environment is labeled: label must be within the environment
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;; (otherwise, a reference pointing to that element will count
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;; the section instead).
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;; the section instead). Also insert caption if `latex-environment'
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;; is not a math environment.
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(with-temp-buffer
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(insert value)
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(goto-char (point-min))
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(forward-line)
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(insert (org-latex--label latex-environment info nil t))
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(if caption-above-p
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(progn
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(goto-char (point-min))
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(forward-line))
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(goto-char (point-max))
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(forward-line -1))
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(insert caption)
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(buffer-string))))))
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;;;; Latex Fragment
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(defun org-latex-latex-fragment (latex-fragment _contents _info)
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