Variable: backtrace-on-redisplay-error
backtrace-on-redisplay-error is a variable defined in eval.c.
Value
nil
Documentation
Non-nil means create a backtrace if a lisp error occurs in redisplay.
The backtrace is written to buffer *Redisplay-trace*.
Probably introduced at or before Emacs version 29.1.
Source Code
// Defined in /usr/src/emacs/src/eval.c
DEFVAR_BOOL ("backtrace-on-redisplay-error", backtrace_on_redisplay_error,
doc: /* Non-nil means create a backtrace if a lisp error occurs in redisplay.
The backtrace is written to buffer *Redisplay-trace*. */);