Fix error in gnu compilation-mode regexp (bug#37582)

* lisp/progmodes/compile.el (compilation-error-regexp-alist-alist):
Fix a mistake introduced when the regexp was translated to rx.
* test/lisp/progmodes/compile-tests.el (compile-tests--test-regexps-data)
(compile-test-error-regexps): Add test case.
* etc/compilation.txt: Add example.

1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index d80fef3103e..83efb3e0295 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -327,7 +327,7 @@ of[ \t]+\"?\\([a-zA-Z]?:?[^\":\n]+\\)\"?:" 3 2 nil (1))
           (: (* " ")
              (group-n 7 (| (regexp "[Ii]nfo\\(?:\\>\\|rmationa?l?\\)")
                            "I:"
-                           (: "[ skipping " (+ ".") " ]")
+                           (: "[ skipping " (+ nonl) " ]")
                            "instantiated from"
                            "required from"
                            (regexp "[Nn]ote"))))