From e82252938c351a0adeae41555ce1086fad3df679 Mon Sep 17 00:00:00 2001
From: Peter Ohler <peter@ohler.com>
Date: Fri, 13 Oct 2023 17:33:22 -0400
Subject: [PATCH] Allow escaped single quote in SEN strings

---
 CHANGELOG.md       | 2 ++
 sen/maps.go        | 4 ++--
 sen/parser_test.go | 1 +
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a0bb740..77bb2bc7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ The structure and content of this file follows [Keep a Changelog](https://keepac
 ## [1.20.0] - unreleased
 ### Added
 - Added ojg.Options.FloatFormat to allow float output format to be specified.
+### Fixed
+- A single quote character can now be escaped in strings when using SEN for parsing.
 
 ## [1.19.4] - 2023-10-03
 ### Added
diff --git a/sen/maps.go b/sen/maps.go
index 188962d6..ee089a5e 100644
--- a/sen/maps.go
+++ b/sen/maps.go
@@ -166,7 +166,7 @@ const (
 	//   0123456789abcdef0123456789abcdef
 	escMap = "" +
 		"................................" + // 0x00
-		"..B............B................" + // 0x20
+		"..B....B.......B................" + // 0x20
 		"............................B..." + // 0x40
 		"..B...B.......B...B.BU.........." + // 0x60
 		"................................" + // 0x80
@@ -176,7 +176,7 @@ const (
 	//   0123456789abcdef0123456789abcdef
 	escByteMap = "" +
 		"................................" + // 0x00
-		"..\"............/................" + // 0x20
+		"..\"....'......./................" + // 0x20
 		"............................\\..." + // 0x40
 		"..\b...\f.......\n...\r.\t.........." + // 0x60
 		"................................" + // 0x80
diff --git a/sen/parser_test.go b/sen/parser_test.go
index a1504d81..828de09a 100644
--- a/sen/parser_test.go
+++ b/sen/parser_test.go
@@ -41,6 +41,7 @@ func TestParserParseString(t *testing.T) {
 		{src: `"hello"`, value: "hello"},
 		{src: `'ab"cd'`, value: `ab"cd`},
 		{src: `"ab'cd"`, value: `ab'cd`},
+		{src: `'ab\'cd'`, value: `ab'cd`},
 		{src: "[one two]", value: []any{"one", "two"}},
 		{src: "123", value: 123},
 		{src: "-12.3", value: -12.3},