Subject: bug#57821: 29.0.50; ANSI sequence not filtered in compilation buffer

From: Matthias Meulien <[email-masked]>
Date: Mon, 19 Sep 2022 20:12:32 +0200

Lars Ingebrigtsen <[email-masked]> writes:

> Matthias Meulien <[email-masked]> writes:
>
>> Here is a patch improving the news entry and fixing the defalias for
>> variables you mentionned in your other message.
>
> I see that Eli has rewritten parts of the documentation here...  Can you
> have a read of the current trunk and see whether there's anything more
> to do here?

Here are the fixes left after Eli's work.  To my knowledge the only
known problem still to address is the renaming of the button type
comint-osc-hyperlink to osc-hyperlink; I've not found time to study
Basil advice.

diff --git a/etc/NEWS b/etc/NEWS
index 723bdd7c75..ee333a84e4 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -2450,7 +2450,9 @@ Adding the new function 'osc-compilation-filter' to
 sequences in compilation buffers.  By default, all sequences are
 filtered out.
 
-A handler for OSC 2, the command to set a window title, is provided.
+The list of handlers (already covering OSC 7 and 8) has been extended
+with a handler for OSC 2, the command to set a window title.
+
 
 +++
 *** New user option 'project-vc-include-untracked'.
diff --git a/lisp/comint.el b/lisp/comint.el
index afaa27c2c0..b2a04ea55a 100644
--- a/lisp/comint.el
+++ b/lisp/comint.el
@@ -3916,11 +3916,11 @@ comint-redirect-results-list-from-process
 ;; sequences.
 
 ;; Aliases defined for reverse compatibility
-(defalias 'comint-osc-handlers 'osc-handlers)
+(defvaralias 'comint-osc-handlers 'osc-handlers)
 (defalias 'comint-osc-directory-tracker 'osc-directory-tracker)
 (defalias 'comint-osc-hyperlink-handler 'osc-hyperlink-handler)
 (defalias 'comint-osc-hyperlink 'osc-hyperlink)
-(defalias 'comint-osc-hyperlink-map 'osc-hyperlink-map)
+(defvaralias 'comint-osc-hyperlink-map 'osc-hyperlink-map)
 
 (defun comint-osc-process-output (_)
   "Interpret OSC escape sequences in comint output.
diff --git a/lisp/osc.el b/lisp/osc.el
index 8f4cd630ba..14f7fe6a4f 100644
--- a/lisp/osc.el
+++ b/lisp/osc.el
@@ -22,14 +22,14 @@
 
 ;;; Commentary:
 
-;; Interpretation of OSC (Operating System Commands) escape
-;; sequences. Handlers for OSC 2, 7 and 8 (for window title, current
-;; directory and hyperlinks respectively) are provided.
+;; Interpretation of OSC (Operating System Commands) escape sequences.
+;; Handlers for OSC 2, 7 and 8 (for window title, current directory
+;; and hyperlinks respectively) are provided.
 
 ;; The function `osc-compilation-filter' can be added to
 ;; `compilation-filter-hook' to collect OSC sequences in compilation
-;; buffers. The variable `osc-for-compilation-buffer' tells what to do
-;; with collected sequences.
+;; buffers.  The variable `osc-for-compilation-buffer' tells what to
+;; do with collected sequences.
 
 ;;; Code:
 
-- 
Matthias