" Markdown stuff " insert URL link map! ,u []()2hi " insert URL image link map! ,mgu ![alt text]()i " insert local image location map! ,mgl ![loc]()i " insert italicized tex map! ,i **i " insert bold tex map! ,b ****hi " insert displayed R code map! ,rc ``` r ```ki " insert inline code map! ,ic ``i " insert Markdown comment map! ,mc