Clarified isWhiteSpace()

9 years ago · 7ade5e2ec5
1 changed files with 6 additions and 5 deletions
--- a/lib/common/utils.js
+++ b/lib/common/utils.js
@ -201,14 +201,15 @@ function escapeRE (str) {

 ////////////////////////////////////////////////////////////////////////////////

-// Zs (unicode class) || 09, 0A, 0D, 0C
+// Zs (unicode class) || [\t\f\v\r\n]
 function isWhiteSpace(code) {
  if (code >= 0x2000 && code <= 0x200A) { return true; }
  switch (code) {
-    case 0x09:
-    case 0x0A:
-    case 0x0D:
-    case 0x0C:
+    case 0x09: // \t
+    case 0x0A: // \n
+    case 0x0B: // \v
+    case 0x0C: // \f
+    case 0x0D: // \r
    case 0x20:
    case 0xA0:
    case 0x1680: