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ox-latex: Fix insertion of line breaks at invalid locations

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* lisp/ox-latex.el (org-latex-clean-invalid-line-breaks): New function.

Reported-by: Takeshi Teshima <takeshi.diadochos@gmail.com>
<http://permalink.gmane.org/gmane.emacs.orgmode/111313>
This commit is contained in:
Nicolas Goaziou 2017-01-18 23:30:01 +01:00
parent 1fbc7a424f
commit 35e90ced24
1 changed files with 22 additions and 11 deletions
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33
lisp/ox-latex.el
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@ -100,8 +100,10 @@
(if a (org-latex-export-to-pdf t s v b)
(org-open-file (org-latex-export-to-pdf nil s v b)))))))
:filters-alist '((:filter-options . org-latex-math-block-options-filter)
(:filter-paragraph . org-latex-clean-invalid-line-breaks)
(:filter-parse-tree org-latex-math-block-tree-filter
org-latex-matrices-tree-filter))
org-latex-matrices-tree-filter)
(:filter-verse-block . org-latex-clean-invalid-line-breaks))
:options-alist
'((:latex-class "LATEX_CLASS" nil org-latex-default-class t)
(:latex-class-options "LATEX_CLASS_OPTIONS" nil nil t)
@ -1621,6 +1623,25 @@ INFO is a plist used as a communication channel."
(member (or compiler "") org-latex-compilers)
(format org-latex-compiler-file-string compiler))))
;;; Filters
(defun org-latex-matrices-tree-filter (tree _backend info)
(org-latex--wrap-latex-matrices tree info))
(defun org-latex-math-block-tree-filter (tree _backend info)
(org-latex--wrap-latex-math-block tree info))
(defun org-latex-math-block-options-filter (info _backend)
(dolist (prop '(:author :date :title) info)
(plist-put info prop
(org-latex--wrap-latex-math-block (plist-get info prop) info))))
(defun org-latex-clean-invalid-line-breaks (data _backend _info)
(replace-regexp-in-string
"\\(\\end{[A-Za-z0-9*]+}\\|^\\)[ \t]*\\\\\\\\[ \t]*$" "\\1"
data))
;;; Template
@ -2683,8 +2704,6 @@ channel."
(t "\\[\n%s\\]"))
contents))
(defun org-latex-matrices-tree-filter (tree _backend info)
(org-latex--wrap-latex-matrices tree info))
;;;; Pseudo Object: LaTeX Math Block
@ -2742,14 +2761,6 @@ containing export options. Modify DATA by side-effect and return it."
;; Return updated DATA.
data))
(defun org-latex-math-block-tree-filter (tree _backend info)
(org-latex--wrap-latex-math-block tree info))
(defun org-latex-math-block-options-filter (info _backend)
(dolist (prop '(:author :date :title) info)
(plist-put info prop
(org-latex--wrap-latex-math-block (plist-get info prop) info))))
(defun org-latex-math-block (_math-block contents _info)
"Transcode a MATH-BLOCK object from Org to LaTeX.
CONTENTS is a string. INFO is a plist used as a communication