t/t1300-repo-config.sh: value continued on next line

Documentation/config.txt:
  Variable value ending in a '`\`' is continued on the next line in the
  customary UNIX fashion.

Test it.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

t/t1300-repo-config.sh

@@ -424,5 +424,25 @@ newline 123'
 test_expect_success 'value with newline' 'git repo-config key.sub value.with\\\
 newline'
 
+cat > .git/config <<\EOF
+[section]
+	; comment \
+	continued = cont\
+inued
+	noncont   = not continued ; \
+	quotecont = "cont;\
+inued"
+EOF
+
+cat > expect <<\EOF
+section.continued=continued
+section.noncont=not continued
+section.quotecont=cont;inued
+EOF
+
+git repo-config --list > result
+
+test_expect_success 'value continued on next line' 'cmp result expect'
+
 test_done