Revert "[Elixir] Update syntax (#13)"

This reverts commit 2d1058f.

Elixir/Elixir (EEx).sublime-syntax

@@ -1,33 +1,61 @@
 %YAML 1.2
 ---
-version: 2
+# TODO: uncomment when on separate ST4 branch in the future.
+# version: 2
 name: Elixir (EEx)
-file_extensions: [ex.eex, exs.eex]
+file_extensions:
+  - ex.eex
+  - exs.eex
 first_line_match: ^#\s*exs?\.eex
-scope: source.elixir.eex
+scope: source.ex.eex
 extends: Elixir.sublime-syntax
 
 contexts:
-  # Use prototype to work around the "context sanity limit" error.
-  # An issue that remains is that "<% ... %>" embeds are not independent
-  # of the surroundings.
-  prototype:
-    - include: eex_begin_tag
-    - include: eex_end_tag
-
-  eex_begin_tag:
-    - match: (<)(%(?>%=?|[=/|]?))
-      captures:
-        1: punctuation.section.embedded.begin.ex.eex
-        2: entity.name.tag.ex.eex
-      # # NB: causes "context sanity limit" error.
-      # push: core_syntax
-      # with_prototype:
-      #   - match: (?=%>|<%)
-      #     pop: true
-
-  eex_end_tag:
-    - match: \s*(%)(>)
-      captures:
-        1: entity.name.tag.ex.eex
-        2: punctuation.section.embedded.end.ex.eex
+  main:
+    - include: core_syntax
+
+  # Commented out because ST3 complains.
+  # TODO: uncomment when on separate ST4 branch in the future.
+
+  # # prototype:
+  # core_syntax:
+  #   - meta_prepend: true
+  #   - include: eex
+
+  # defmodule_1st_argument:
+  #   - meta_prepend: true
+  #   - include: eex
+
+  # # FIXME: doesn't highlight inside doc comments yet.
+  # markdown_comment:
+  #   - meta_prepend: true
+  #   - include: eex
+
+  # simple_string:
+  #   - meta_prepend: true
+  #   - include: eex
+
+  # block_end_pop:
+  #   - meta_prepend: true
+  #   - include: eex
+
+  # module_function_call_pop:
+  #   - meta_prepend: true
+  #   - include: eex
+
+  # identifier_operator_call_pop:
+  #   - meta_prepend: true
+  #   - include: eex
+
+  # dot_accessor:
+  #   - meta_prepend: true
+  #   - include: eex
+
+  # eex:
+  #   - match: <%(?>%=?|[=/|]?)
+  #     scope: keyword.other.ex.eex punctuation.section.embedded.begin.ex.eex
+  #     push:
+  #       - match: '%>'
+  #         scope: text.html.ex.eex keyword.other.ex.eex punctuation.section.embedded.end.ex.eex
+  #         pop: true
+  #       - include: core_syntax