From: Adam Borowski <kilobyte@angband.pl>
Date: Sat, 28 Jun 2014 06:29:56 +0200
Subject: Support \e in "echo" and "printf" builtins

Signed-off-by: Adam Borowski <kilobyte@angband.pl>
---
 src/bltin/printf.c | 1 +
 src/dash.1         | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/src/bltin/printf.c b/src/bltin/printf.c
index 7785735..9b878da 100644
--- a/src/bltin/printf.c
+++ b/src/bltin/printf.c
@@ -340,6 +340,7 @@ conv_escape(char *str, int *conv_ch)
 	case '\\':	value = '\\';	break;	/* backslash */
 	case 'a':	value = '\a';	break;	/* alert */
 	case 'b':	value = '\b';	break;	/* backspace */
+	case 'e':	value = '\e';	break;  /* escape */
 	case 'f':	value = '\f';	break;	/* form-feed */
 	case 'n':	value = '\n';	break;	/* newline */
 	case 'r':	value = '\r';	break;	/* carriage-return */
diff --git a/src/dash.1 b/src/dash.1
index 32f6ac0..b286f79 100644
--- a/src/dash.1
+++ b/src/dash.1
@@ -1201,6 +1201,8 @@ Subsequent output is suppressed.  This is normally used at the end of the
 last argument to suppress the trailing newline that
 .Ic echo
 would otherwise output.
+.It Li \ee
+Outputs an escape character (ESC).
 .It Li \ef
 Output a form feed.
 .It Li \en
@@ -1570,6 +1572,8 @@ The characters and their meanings are as follows:
 Write a \*[Lt]bell\*[Gt] character.
 .It Cm \eb
 Write a \*[Lt]backspace\*[Gt] character.
+.It Cm \ee
+Write an \*[Lt]escape\*[Gt] (ESC) character.
 .It Cm \ef
 Write a \*[Lt]form-feed\*[Gt] character.
 .It Cm \en
