From 637b80cd6a2a73eb6723aec2f52aed1135d99de4 Mon Sep 17 00:00:00 2001
From: Johannes Sixt <j6t@kdbg.org>
Date: Sun, 10 Oct 2021 17:03:03 +0000
Subject: userdiff-cpp: permit the digit-separating single-quote in numbers

Since C++17, the single-quote can be used as digit separator:

   3.141'592'654
   1'000'000
   0xdead'beaf

Make it known to the word regex of the cpp driver, so that numbers are
not split into separate tokens at the single-quotes.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 t/t4034/cpp/expect | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 't/t4034')

diff --git a/t/t4034/cpp/expect b/t/t4034/cpp/expect
index 3d37ddac42..b90b3f207b 100644
--- a/t/t4034/cpp/expect
+++ b/t/t4034/cpp/expect
@@ -7,15 +7,15 @@ Foo() : x(0<RED>&&1<RESET><GREEN>&42<RESET>) { <RED>foo0<RESET><GREEN>bar<RESET>
 cout<<"Hello World<RED>!<RESET><GREEN>?<RESET>\n"<<endl;
 <GREEN>(<RESET>1 <RED>-<RESET><GREEN>+<RESET>1e10 0xabcdef<GREEN>)<RESET> '<RED>x<RESET><GREEN>.<RESET>'
 // long double<RESET>
-3.141'592'<RED>653e-10l<RESET><GREEN>654e+10l<RESET>
+<RED>3.141'592'653e-10l<RESET><GREEN>3.141'592'654e+10l<RESET>
 // float<RESET>
 <RED>120E5f<RESET><GREEN>120E6f<RESET>
 // hex<RESET>
-0xdead'<RED>beaf<RESET><GREEN>Beaf<RESET>+<RED>8ULL<RESET><GREEN>7ULL<RESET>
+<RED>0xdead'beaf<RESET><GREEN>0xdead'Beaf<RESET>+<RED>8ULL<RESET><GREEN>7ULL<RESET>
 // octal<RESET>
-0123'<RED>4567<RESET><GREEN>4560<RESET>
+<RED>0123'4567<RESET><GREEN>0123'4560<RESET>
 // binary<RESET>
-<RED>0b10<RESET><GREEN>0b11<RESET>'00+e1
+<RED>0b10'00<RESET><GREEN>0b11'00<RESET>+e1
 // expression<RESET>
 1.5-e+<RED>2<RESET><GREEN>3<RESET>+f
 // another one<RESET>
-- 
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