[O] PATCH -- ox-latex.el . sideways figure in latex export

[Greg Tucker-Kellogg]

This is a tiny patch to support a “:float sidewaysfigure” option in LaTeX 
backend export

---
 lisp/ox-latex.el | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lisp/ox-latex.el b/lisp/ox-latex.el
index d65c975..c05ffb6 100644
--- a/lisp/ox-latex.el
+++ b/lisp/ox-latex.el
@@ -1801,6 +1801,7 @@ used as a communication channel."
         (float (let ((float (plist-get attr :float)))
                  (cond ((and (not float) (plist-member attr :float)) nil)
                        ((string= float "wrap") 'wrap)
+                       ((string= float "sidewaysfigure") 'sidewaysfigure)
                        ((string= float "multicolumn") 'multicolumn)
                        ((or float
                             (org-element-property :caption parent)
@@ -1876,6 +1877,10 @@ used as a communication channel."
 \\centering
 %s%s
 %s\\end{wrapfigure}" placement comment-include image-code caption))
+      (sidewaysfigure (format "\\begin{sidewaysfigure}%s
+\\centering
+%s%s
+%s\\end{sidewaysfigure}" placement comment-include image-code caption))
       (multicolumn (format "\\begin{figure*}%s
 \\centering
 %s%s
-- 
1.8.4.3