forked from mirrors/org-mode
ox-html: Fix org-export-string-as when org-html-with-latex is dvipng
* lisp/ox-html.el (org-html-format-latex): Provide a prefix for temporary file when using dvipng, even if the current buffer isn't associated to a file.
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@ -2343,15 +2343,17 @@ CONTENTS is nil. INFO is a plist holding contextual information."
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;;;; Latex Environment
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(defun org-html-format-latex (latex-frag processing-type)
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"Format the LaTeX fragment LATEX-FRAG into HTML."
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(let ((cache-relpath "") (cache-dir "") bfn)
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"Format a LaTeX fragment LATEX-FRAG into HTML."
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(let ((cache-relpath "") (cache-dir ""))
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(unless (eq processing-type 'mathjax)
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(setq bfn (buffer-file-name)
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cache-relpath
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(concat "ltxpng/"
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(file-name-sans-extension
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(file-name-nondirectory bfn)))
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cache-dir (file-name-directory bfn)))
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(let ((bfn (or (buffer-file-name)
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(make-temp-name
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(expand-file-name "latex" temporary-file-directory)))))
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(setq cache-relpath
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(concat "ltxpng/"
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(file-name-sans-extension
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(file-name-nondirectory bfn)))
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cache-dir (file-name-directory bfn))))
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(with-temp-buffer
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(insert latex-frag)
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(org-format-latex cache-relpath cache-dir nil "Creating LaTeX Image..."
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