comint-check-sourcecomint-check-source is a compiled Lisp function in `
comint.el'. (comint-check-source FNAME) Check whether to save buffers visiting file FNAME. Prior to loading or compiling (or otherwise processing) a file (in the CMU process-in-a-buffer modes), this function can be called on the filename. If the file is loaded into a buffer, and the buffer is modified, the user is queried to see if he wants to save the buffer before proceeding with the load or compile.