Derive some programming modes from prog-mode.

* lisp/progmodes/python.el (python-mode): Derive from prog-mode.
* lisp/progmodes/ps-mode.el (ps-mode):
* lisp/progmodes/mixal-mode.el (mixal-mode):
* lisp/progmodes/ld-script.el (ld-script-mode): Likewise.

1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index b99cad1d081..3d243f14f07 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -2420,7 +2420,7 @@ without confirmation."
 (defvar python-mode-running)            ;Dynamically scoped var.
 
 ;;;###autoload
-(define-derived-mode python-mode fundamental-mode "Python"
+(define-derived-mode python-mode prog-mode "Python"
   "Major mode for editing Python files.
 Turns on Font Lock mode unconditionally since it is currently required
 for correct parsing of the source.