Allow filtering out warnings/errors from compile.el detection

* lisp/progmodes/compile.el
(compilation-transform-file-match-alist): New variable (bug#32968).
(compilation-error-properties): Use it to remove known false
positives.
(compilation-error-regexp-alist): Mention it in this doc string.

1 files changed, 4 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 49aa7f6007b..3b98ef7d2f5 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -612,6 +612,10 @@ be functions.
 nil, but instead of scrolling the current line to the top of the
 screen when there is no left fringe, it inserts a visible arrow before
 column zero.
+---
+*** The new 'compilation-transform-file-match-alist' variable can be used
+to transform file name matches compilation output, and remove known
+false positives being recognised as warnings/errors.
 
 ** cl-lib.el
 +++