Allow newline flexibility in key-value pairs

Updated ABNF
Added corresponding test

Author: antonmedv

spec/v0.1/maml.abnf

@@ -7,7 +7,7 @@ object = "{" [ members ] ws-comment-newline "}"
 members =  ws-comment-newline key-value ws [ comment ] separator members
 members =/ ws-comment-newline key-value ws [ comment ] [ separator ]
 
-key-value = key ws ":" ws value
+key-value = key ws-comment-newline ":" ws-comment-newline value
 
 key = string / identifier
 

spec/v0.1/maml.test.js

@@ -71,6 +71,15 @@ describe('MAML v0.1', () => {
   `)
   })
 
+  test('object keys with space and newlines', () => {
+    parse(`
+    {
+      key
+      :
+      "value"
+    }`)
+  })
+
   test('array', () => {
     parse(`[]`)
     parse(`[1,2,3]`)