Fix: whitespace in links element can contain newlines

lib/lexer_inline/links.js

@@ -3,8 +3,6 @@
 'use strict';
 
 
-var skipSpaces = require('../helpers').skipSpaces;
-
 //
 // Parse link label
 //
@@ -202,7 +200,11 @@ function links(state) {
     // [link](  <href>  "title"  )
     //        ^^ skipping these spaces
     pos++;
-    if ((pos = skipSpaces(state, pos)) >= max) { return false; }
+    for (; pos < max; pos++) {
+      code = state.src.charCodeAt(pos);
+      if (code !== 0x20 && code !== 0x0A) { break; }
+    }
+    if (pos >= max) { return false; }
 
     // [link](  <href>  "title"  )
     //          ^^^^^^ parsing link destination
@@ -217,7 +219,10 @@ function links(state) {
     // [link](  <href>  "title"  )
     //                ^^ skipping these spaces
     start = pos;
-    pos = skipSpaces(state, pos);
+    for (; pos < max; pos++) {
+      code = state.src.charCodeAt(pos);
+      if (code !== 0x20 && code !== 0x0A) { break; }
+    }
 
     // [link](  <href>  "title"  )
     //                  ^^^^^^^ parsing link title
@@ -226,7 +231,10 @@ function links(state) {
 
       // [link](  <href>  "title"  )
       //                         ^^ skipping these spaces
-      pos = skipSpaces(state, pos);
+      for (; pos < max; pos++) {
+        code = state.src.charCodeAt(pos);
+        if (code !== 0x20 && code !== 0x0A) { break; }
+      }
     } else {
       title = '';
     }