Variable: compilation-filter-start
compilation-filter-start is a variable defined in compile.el.gz.
Value
nil
Documentation
Position of the start of the text inserted by compilation-filter.
This is bound before running compilation-filter-hook.
Probably introduced at or before Emacs version 24.1.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/compile.el.gz
(defvar compilation-filter-start nil
"Position of the start of the text inserted by `compilation-filter'.
This is bound before running `compilation-filter-hook'.")