Add block indentation specs (mustache#130)

specs/~inheritance.yml

@@ -235,3 +235,72 @@ tests:
     partials:
       parent: "{{#nested}}{{$block}}You say {{fruit}}.{{/block}}{{/nested}}"
     expected: I say bananas.
+
+  - name: Standalone parent
+    desc: A parent's opening and closing tags need not be on separate lines in order to be standalone
+    data: {}
+    template: |
+      Hi,
+        {{<parent}}{{/parent}}
+    partials:
+      parent: |
+        one
+        two
+    expected: |
+      Hi,
+        one
+        two
+
+  - name: Standalone block
+    desc: A block's opening and closing tags need not be on separate lines in order to be standalone
+    data: {}
+    template: |
+      {{<parent}}{{$block}}
+      one
+      two{{/block}}
+      {{/parent}}
+    partials:
+      parent: |
+        Hi,
+          {{$block}}{{/block}}
+    expected: |
+      Hi,
+        one
+        two
+
+  - name: Block reindentation
+    desc: Block indentation is removed at the site of definition and added at the site of expansion
+    data: {}
+    template: |
+      {{<parent}}{{$block}}
+          one
+          two
+      {{/block}}{{/parent}}
+    partials:
+      parent: |
+        Hi,
+          {{$block}}
+          {{/block}}
+    expected: |
+      Hi,
+        one
+        two
+
+  - name: Intrinsic indentation
+    desc: When the block opening tag is standalone, indentation is determined by default content
+    data: {}
+    template: |
+      {{<parent}}{{$block}}
+      one
+      two
+      {{/block}}{{/parent}}
+    partials:
+      parent: |
+        Hi,
+        {{$block}}
+          default
+        {{/block}}
+    expected: |
+      Hi,
+        one
+        two