## ---- eval=FALSE--------------------------------------------------------------
#  cat(
#    '\n# ID and SECRET of SimpleTex',
#    'SIMPLETEX_APP_ID = "Your SimpleTex API ID"',
#    'SIMPLETEX_APP_SECRET = "Your SimpleTex API SECRET"',
#    file = '~/.Renviron', sep = '\n', append = TRUE
#  )

## ---- eval = FALSE------------------------------------------------------------
#  imgocr(img = "path/to/image", mode = "latex_ocr")