Add support for fontification of odt src blocks using htmlfontify
* contrib/lisp/org-lparse.el (org-do-lparse): Bind hfy-user-sheet-assoc. * contrib/lisp/org-odt.el (org-export-odt-default-org-styles-alist): Rename OrgSourceBlock to OrgSrcBlock for consistency. (org-odt-format-source-code-or-example): Modified. Call either org-odt-format-source-code-or-example-plain or org-odt-format-source-code-or-example-colored. (org-odt-format-source-code-or-example-plain): New. Identical to the earlier org-odt-format-source-code-or-example. (org-odt-format-source-code-or-example-colored): New defun. Use htmlfontify for emitting coloring of source blocks. (org-export-odt-use-htmlfontify) (org-export-odt-create-custom-styles-for-srcblocks): New customizable variables (org-src-block-paragraph-format): New variable. (org-odt-hfy-face-to-css) (org-odt-insert-custom-styles-for-srcblocks): New defuns. (org-odt-save-as-outfile): Modified. Use org-odt-insert-custom-styles-for-srcblocks.
This commit is contained in:
Jambunathan K
parent
ad9f393b61
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78e59a22d0
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@ -717,7 +717,10 @@ version."
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(setq-default org-deadline-line-regexp org-deadline-line-regexp)
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(setq-default org-done-keywords org-done-keywords)
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(setq-default org-maybe-keyword-time-regexp org-maybe-keyword-time-regexp)
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(let* (org-lparse-encode-pending
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(let* (hfy-user-sheet-assoc ; let `htmlfontify' know that
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; we are interested in
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; collecting styles
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org-lparse-encode-pending
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org-lparse-par-open
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(org-lparse-list-level 0) ; list level starts at 1. A
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; value of 0 implies we are
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@ -236,7 +236,7 @@ be linked only."
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(right . "OrgRight")
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(title . "Heading_20_1.title")
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(footnote . "Footnote")
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(src . "OrgSourceBlock")
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(src . "OrgSrcBlock")
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(illustration . "Illustration")
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(table . "Table")
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(definition-term . "Text_20_body_20_bold")
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@ -852,8 +852,19 @@ PUB-DIR is set, use this as the publishing directory."
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((string= s "\t") (org-odt-format-tabs))
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(t (org-odt-format-spaces (length s))))) line))
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(defun org-odt-format-source-code-or-example
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(defcustom org-export-odt-use-htmlfontify t
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"Specify whether or not source blocks need to be fontified.
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Turn this option on if you want to colorize the source code
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blocks in the exported file. For colorization to work, you need
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to make available an enhanced version of `htmlfontify' library."
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:type 'boolean
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:group 'org-export-odt)
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(defun org-odt-format-source-code-or-example-plain
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(lines lang caption textareap cols rows num cont rpllbl fmt)
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"Format source or example blocks much like fixedwidth blocks.
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Use this when `org-export-odt-use-htmlfontify' option is turned
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off."
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(setq lines (org-export-number-lines (org-xml-encode-plain-text-lines lines)
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0 0 num cont rpllbl fmt))
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(mapconcat
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@ -862,6 +873,134 @@ PUB-DIR is set, use this as the publishing directory."
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'fixedwidth (org-odt-fill-tabs-and-spaces line)))
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(org-split-string lines "[\r\n]") "\n"))
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(defvar org-src-block-paragraph-format
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"<style:style style:name=\"OrgSrcBlock\" style:family=\"paragraph\" style:parent-style-name=\"Preformatted_20_Text\">
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<style:paragraph-properties fo:background-color=\"%s\" fo:padding=\"0.049cm\" fo:border=\"0.51pt solid #000000\" style:shadow=\"none\">
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<style:background-image/>
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</style:paragraph-properties>
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<style:text-properties fo:color=\"%s\"/>
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</style:style>"
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"Custom paragraph style for colorized source and example blocks.
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This style is much the same as that of \"OrgFixedWidthBlock\"
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except that the foreground and background colors are set
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according to the default face identified by the `htmlfontify'.")
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(defun org-odt-hfy-face-to-css (fn)
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"Create custom style for face FN.
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When FN is the default face, use it's foreground and background
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properties to create \"OrgSrcBlock\" paragraph style. Otherwise
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use it's color attribute to create a character style whose name
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is obtained from FN. Currently all attributes of FN other than
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color are ignored.
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The style name for a face FN is derived using the following
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operations on the face name in that order - de-dash, CamelCase
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and prefix with \"OrgSrc\". For example,
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`font-lock-function-name-face' is associated with
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\"OrgSrcFontLockFunctionNameFace\"."
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(let* ((css-list (hfy-face-to-style fn))
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(style-name ((lambda (fn)
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(concat "OrgSrc"
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(mapconcat
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'capitalize (split-string
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(hfy-face-or-def-to-name fn) "-")
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""))) fn))
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(color-val (cdr (assoc "color" css-list)))
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(background-color-val (cdr (assoc "background" css-list)))
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(style (and org-export-odt-create-custom-styles-for-srcblocks
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(cond
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((eq fn 'default)
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(format org-src-block-paragraph-format
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background-color-val color-val))
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(t
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(format
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"
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<style:style style:name=\"%s\" style:family=\"text\">
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<style:text-properties fo:color=\"%s\"/>
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</style:style>" style-name color-val))))))
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(cons style-name style)))
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(defcustom org-export-odt-create-custom-styles-for-srcblocks t
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"Whether custom styles for colorized source blocks be automatically created.
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When this option is turned on, the exporter creates custom styles
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for source blocks based on the advice of `htmlfontify'. Creation
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of custom styles happen as part of `org-odt-hfy-face-to-css'.
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When this option is turned off exporter does not create such
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styles.
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Use the latter option if you do not want the custom styles to be
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based on your current display settings. It is necessary that the
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styles.xml already contains needed styles for colorizing to work.
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This variable is effective only if
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`org-export-odt-use-htmlfontify' is turned on."
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:group 'org-export-odt
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:type 'boolean)
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(defun org-odt-insert-custom-styles-for-srcblocks (styles)
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"Save STYLES used for colorizing of source blocks.
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Update styles.xml with styles that were collected as part of
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`org-odt-hfy-face-to-css' callbacks."
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(when styles
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(with-current-buffer
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(find-file-noselect (expand-file-name "styles.xml") t)
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(goto-char (point-min))
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(when (re-search-forward "</office:styles>" nil t)
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(goto-char (match-beginning 0))
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(insert "\n<!-- Org Htmlfontify Styles -->\n" styles "\n")))))
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(defun org-odt-format-source-code-or-example-colored
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(lines lang caption textareap cols rows num cont rpllbl fmt)
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"Format source or example blocks using `htmlfontify-string'.
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Use this routine when `org-export-odt-use-htmlfontify' option is
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turned on."
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(let* ((lang-m (and lang (or (cdr (assoc lang org-src-lang-modes)) lang)))
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(mode (and lang-m (intern (concat (if (symbolp lang-m)
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(symbol-name lang-m)
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lang-m) "-mode"))))
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(org-inhibit-startup t)
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(org-startup-folded nil)
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(lines (with-temp-buffer
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(insert lines)
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(if (functionp mode) (funcall mode) (fundamental-mode))
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(font-lock-fontify-buffer)
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(buffer-string)))
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(hfy-html-quote-regex "\\([<\"&> ]\\)")
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(hfy-html-quote-map '(("\"" """)
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("<" "<")
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("&" "&")
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(">" ">")
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(" " "<text:s/>")
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(" " "<text:tab/>")))
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(hfy-face-to-css 'org-odt-hfy-face-to-css)
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(hfy-optimisations-1 (copy-seq hfy-optimisations))
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(hfy-optimisations (add-to-list 'hfy-optimisations-1
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'body-text-only))
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(hfy-begin-span-handler
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(lambda (style text-block text-id text-begins-block-p)
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(insert (format "<text:span text:style-name=\"%s\">" style))))
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(hfy-end-span-handler (lambda nil (insert "</text:span>"))))
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(mapconcat
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(lambda (line)
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(org-odt-format-stylized-paragraph 'src (htmlfontify-string line)))
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(org-split-string lines "[\r\n]") "\n")))
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(defun org-odt-format-source-code-or-example (lines lang caption textareap
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cols rows num cont
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rpllbl fmt)
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"Format source or example blocks for export.
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Use `org-odt-format-source-code-or-example-plain' or
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`org-odt-format-source-code-or-example-colored' depending on the
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value of `org-export-odt-use-htmlfontify."
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(funcall
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(if (and org-export-odt-use-htmlfontify
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(or (featurep 'htmlfontify) (require 'htmlfontify))
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(fboundp 'htmlfontify-string))
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'org-odt-format-source-code-or-example-colored
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'org-odt-format-source-code-or-example-plain)
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lines lang caption textareap cols rows num cont rpllbl fmt))
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(defun org-xml-encode-plain-text-lines (rtn)
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(mapconcat 'org-xml-encode-plain-text (org-split-string rtn "[\r\n]") "\n"))
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@ -1366,6 +1505,13 @@ visually."
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(org-odt-configure-outline-numbering
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(if org-export-with-section-numbers org-export-headline-levels 0)))
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;; Write custom stlyes for source blocks
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(org-odt-insert-custom-styles-for-srcblocks
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(mapconcat
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(lambda (style)
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(format " %s\n" (cddr style)))
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hfy-user-sheet-assoc ""))
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(let ((zipdir default-directory))
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(message "Switching to directory %s" (expand-file-name zipdir))
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