Add test cases for #10

test/issues/10/legacy.vim

@@ -0,0 +1,32 @@
+
+if "(foo)"
+
+	let x = "(foo)"
+
+endif
+
+	( )
+
+let x = (   "( )"   )
+
+let y =  "("
+	\ . ")"
+
+	    "("
+		)
+	\ . ")"
+
+let z =  (   '( ' ) . ' )'
+
+let a = " if   endif "
+							*cpo-M*
+	M	When excluded, "%" matching will take backslashes into
+		account.  Thus in "( \( )" and "\( ( \)" the outer
+		parenthesis match.  When included "%" ignores
+		backslashes, which is Vi compatible.
+
+let b = '\(  \)'
+let c = "\\(  \\)"
+
+let d = "( \\(  )"  .  "\\(  " . '\(  \)' . "\\)"
+

test/issues/10/string.vim

@@ -0,0 +1,8 @@
+
+function String()
+
+  let output = filter(list, "matchstr(v:val, '^\s*\zsfoo\ze\\(bar\\|baz\\)')")
+  let output = filter(list, 'matchstr(v:val, ''^\s*\zsfoo\ze\(bar\|baz\)'')')
+
+endfunction
+