とりあえず、「s:」と「l:」だけ覚えておけばよさそう。 :help internal-variables で調べられる There are several name spaces for variables. Which one is to be used is specified by what is prepended: (nothing) In a function: local to a function; otherwise: global |buffer-variable| b: Local to the current buffer. |window-variable| w: Local to the current window. |tabpage-variable| t: Local to the current tab page. |global-variable|