+;; use xelatex to preview with imagemagick
+(add-to-list 'org-preview-latex-process-alist
+ '(xelateximagemagick
+ :programs ("xelatex" "convert")
+ :description "pdf > png"
+ :message "you need to install xelatex and imagemagick"
+ :use-xcolor t
+ :image-input-type "pdf"
+ :image-output-type "png"
+ :image-size-adjust (1.0 . 1.0)
+ :latex-compiler ("xelatex -interaction nonstopmode -output-directory %o %f")
+ :image-converter ("convert -density %D -trim -antialias %f -quality 100 %O"))
+ )
+;; use xelatex by default
+(setq org-preview-latex-default-process 'xelateximagemagick)
+