diff --git a/docs/dj.1 b/docs/dj.1
index e229d1f..7d28ac8 100644
--- a/docs/dj.1
+++ b/docs/dj.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH DJ 1 2024-06-17 "Bonsai Core Utilites 0.13.9"
+.TH DJ 1 2024-06-17 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 dj \(en disk jockey
 .\"
diff --git a/docs/false.1 b/docs/false.1
index f86e1d8..5b582dd 100644
--- a/docs/false.1
+++ b/docs/false.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH FALSE 1 2024-06-06 "Bonsai Core Utilites 0.13.9"
+.TH FALSE 1 2024-06-06 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 false \(en do nothing, unsuccessfully
 .\"
diff --git a/docs/fop.1 b/docs/fop.1
index 6c7b991..f7afa54 100644
--- a/docs/fop.1
+++ b/docs/fop.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH FOP 1 2024-06-17 "Bonsai Core Utilites 0.13.9"
+.TH FOP 1 2024-06-17 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 fop \(en field operator
 .\"
diff --git a/docs/hru.1 b/docs/hru.1
index 60a5afd..346f200 100644
--- a/docs/hru.1
+++ b/docs/hru.1
@@ -3,7 +3,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH HRU 1 2024-06-17 "Bonsai Core Utilites 0.13.9"
+.TH HRU 1 2024-06-17 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 hru \(en human readable units
 .\"
diff --git a/docs/intcmp.1 b/docs/intcmp.1
index b50b3f9..315cda2 100644
--- a/docs/intcmp.1
+++ b/docs/intcmp.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH INTCMP 1 2024-06-06 "Bonsai Core Utilites 0.13.9"
+.TH INTCMP 1 2024-06-06 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 intcmp \(en compare integers
 .\"
diff --git a/docs/mm.1 b/docs/mm.1
index 107d5b0..3ca0722 100644
--- a/docs/mm.1
+++ b/docs/mm.1
@@ -3,7 +3,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH MM 1 2024-06-17 "Bonsai Core Utilites 0.13.9"
+.TH MM 1 2024-06-17 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 mm \(en middleman
 .\"
diff --git a/docs/npc.1 b/docs/npc.1
index 7b54e31..51cb851 100644
--- a/docs/npc.1
+++ b/docs/npc.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH NPC 1 2024-06-17 "Bonsai Core Utilites 0.13.9"
+.TH NPC 1 2024-06-17 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 npc \(en show non-printing characters
 .\"
diff --git a/docs/rpn.1 b/docs/rpn.1
index 10cd709..7d3b477 100644
--- a/docs/rpn.1
+++ b/docs/rpn.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH RPN 1 2024-06-17 "Bonsai Core Utilites 0.13.9"
+.TH RPN 1 2024-06-17 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 rpn \(en reverse polish notation evaluation
 .\"
diff --git a/docs/scrut.1 b/docs/scrut.1
index 9dac85b..1e17f7e 100644
--- a/docs/scrut.1
+++ b/docs/scrut.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH SCRUT 1 2024-06-06 "Bonsai Core Utilites 0.13.9"
+.TH SCRUT 1 2024-06-06 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 scrut \(en scrutinize file properties
 .SH SYNOPSIS
diff --git a/docs/str.1 b/docs/str.1
index cfc859f..6f01125 100644
--- a/docs/str.1
+++ b/docs/str.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH STR 1 2024-06-17 "Bonsai Core Utilites 0.13.9"
+.TH STR 1 2024-06-17 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 str \(en test string arguments
 .\"
diff --git a/docs/strcmp.1 b/docs/strcmp.1
index 0e5d46f..2ff08f6 100644
--- a/docs/strcmp.1
+++ b/docs/strcmp.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH STRCMP 1 2024-06-17 "Bonsai Core Utilites 0.13.9"
+.TH STRCMP 1 2024-06-17 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 strcmp \(en compare strings
 .\"
diff --git a/docs/swab.1 b/docs/swab.1
index 97002e7..1c75705 100644
--- a/docs/swab.1
+++ b/docs/swab.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH SWAB 1 2024-06-17 "Bonsai Core Utilites 0.13.9"
+.TH SWAB 1 2024-06-17 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 swab \(en swap bytes
 .\"
diff --git a/docs/true.1 b/docs/true.1
index b23021d..ebf8916 100644
--- a/docs/true.1
+++ b/docs/true.1
@@ -4,7 +4,7 @@
 .\" This work is licensed under CC BY-SA 4.0. To see a copy of this license,
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
-.TH TRUE 1 2024-06-06 "Bonsai Core Utilites 0.13.9"
+.TH TRUE 1 2024-06-06 "Bonsai Core Utilites 0.13.11"
 .SH NAME
 true \(en do nothing, successfully
 .\"
diff --git a/src/fop.rs b/src/fop.rs
index 9bf2396..5244300 100644
--- a/src/fop.rs
+++ b/src/fop.rs
@@ -32,7 +32,7 @@ use sysexits::{ EX_DATAERR, EX_IOERR, EX_UNAVAILABLE, EX_USAGE };
 
 fn main() {
 	let argv = args().collect::<Vec<String>>();
-	let mut d = char::from(0x1E).to_string();
+	let mut d = '\u{1E}'.to_string();
 	let mut arg_parser = Parser::new(&argv, "d:");
 
 	while let Some(opt) = arg_parser.next() {