master e84b732cbc 2/2: comint-fontify-input: Don't fontify output as input, different approach

[Lars Ingebrigtsen]

branch: master
commit e84b732cbc54d5ba66e0b6f824edccb2bcb18668
Author: Miha Rihtaršič <miha@kamnitnik.top>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    comint-fontify-input: Don't fontify output as input, different approach
    
    * lisp/comint.el (comint-output-filter): Propertize process output
    with field=output before inserting it into buffer to prevent
    comint-fontify-input from fontifying it (bug#58169).
---
 lisp/comint.el | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lisp/comint.el b/lisp/comint.el
index e3eee8411c..07ced8d321 100644
--- a/lisp/comint.el
+++ b/lisp/comint.el
@@ -2147,6 +2147,12 @@ Make backspaces delete the previous character."
            (goto-char (process-mark process))
            (set-marker comint-last-output-start (point))
 
+            ;; Before we call `comint--mark-as-output' later,
+            ;; redisplay can be called.  We mark the inserted text as
+            ;; output early, to prevent redisplay from fontifying it
+            ;; as input in case of `comint-fontify-input-mode'.
+            (put-text-property 0 (length string) 'field 'output string)
+
            ;; insert-before-markers is a bad thing. XXX
            ;; Luckily we don't have to use it any more, we use
            ;; window-point-insertion-type instead.