D37701.id114146.diff
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	diff --git a/bin/sh/histedit.c b/bin/sh/histedit.c
	--- a/bin/sh/histedit.c
	+++ b/bin/sh/histedit.c
	@@ -190,7 +190,7 @@
	if (el != NULL) {
	if (hist)
	el_set(el, EL_HIST, history, hist);
	- el_set(el, EL_PROMPT, getprompt);
	+ el_set(el, EL_PROMPT_ESC, getprompt, '\001');
	el_set(el, EL_ADDFN, "sh-complete",
	"Filename completion",
	sh_complete);
	diff --git a/bin/sh/parser.c b/bin/sh/parser.c
	--- a/bin/sh/parser.c
	+++ b/bin/sh/parser.c
	@@ -2060,6 +2060,15 @@
	if (*fmt == '\\')
	switch (*++fmt) {

	+ /*
	+ * ESC character.
	+ */
	+ case 'e':
	+ ps[i++] = '\001';
	+ ps[i++] = '\033';
	+ ps[i] = '\001';
	+ break;
	+
	/*
	* Hostname.
	*
	diff --git a/bin/sh/sh.1 b/bin/sh/sh.1
	--- a/bin/sh/sh.1
	+++ b/bin/sh/sh.1
	@@ -32,7 +32,7 @@
	.\" from: @(#)sh.1 8.6 (Berkeley) 5/4/95
	.\" $FreeBSD$
	.\"
	-.Dd May 10, 2021
	+.Dd December 14, 2022
	.Dt SH 1
	.Os
	.Sh NAME
	@@ -1428,6 +1428,8 @@
	may include any of the following formatting sequences,
	which are replaced by the given information:
	.Bl -tag -width indent
	+.It Li \ee
	+An ASCII ESCAPE character (decimal 27, octal 033, hexadecimal 0x1b).
	.It Li \eH
	This system's fully-qualified hostname (FQDN).
	.It Li \eh