From c3d27352e1ac21e381f3f60515352081f3648030 Mon Sep 17 00:00:00 2001
From: Hadrien <hadrien.bailly2@mail.dcu.ie>
Date: Wed, 8 Jun 2022 16:41:00 +0100
Subject: [PATCH] N3Parser: support escape sequences in local names

Allow local name to use escape sequences as per https://www.w3.org/TR/turtle/#sec-escapes
---
 src/n3parser.js | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/src/n3parser.js b/src/n3parser.js
index 2954e4b3e..c3dcdb21b 100644
--- a/src/n3parser.js
+++ b/src/n3parser.js
@@ -1244,12 +1244,22 @@ export class SinkParser {
             var ln = "";
             while ((i < pyjslib_len(str))) {
                 var c = str.charAt(i);
-                if ((_notNameChars.indexOf(c) < 0)) {
-                    var ln =  ( ln + c ) ;
-                    var i =  ( i + 1 ) ;
-                }
-                else {
-                    break;
+                if (c ==='\\'){
+                    var c2 = str.charAt(i+1)
+                    if ((_notNameChars.indexOf(c2) >= 0)) {
+                        var ln =  ( ln + c2 ) ;
+                        var i =  ( i + 2 ) ;
+                    }
+                    else {
+                        break;
+                    }
+                } else {
+                    if ((_notNameChars.indexOf(c) < 0)) {
+                        var ln = (ln + c);
+                        var i = (i + 1);
+                    } else {
+                        break;
+                    }
                 }
             }
             res.push(new pyjslib_Tuple([pfx, ln]));