Elixir: fix: recognize %@module{} and %^@module{}

Author: azizk

syntaxes/Elixir.sublime-syntax

@@ -2280,6 +2280,11 @@ contexts:
         - match: (?=unquote\()
           set: [map_unquote_meta_pop, arguments_pop, unquote_pop]
         - include: alias_names
+        - match: (@)({{identifier}}(?=\s*{))
+          captures:
+            1: keyword.operator.attribute.elixir
+            2: variable.other.constant.elixir
+          set: map_body_pop
         - match: \^
           scope: keyword.operator.pin.elixir
         - match: ((?=_)(?<!%>){{identifier}})|({{identifier}})

tests/syntax_test_misc.ex

@@ -11,6 +11,19 @@
  %_{}
 #   ^ punctuation.section.mapping.end
 # ^ variable.other.unused
+#^ punctuation.section.mapping.begin
+ %@module{}
+#         ^ punctuation.section.mapping.end
+#        ^ punctuation.section.mapping.begin
+#  ^^^^^^ variable.other.constant
+# ^ keyword.operator.attribute.elixir
+#^ punctuation.section.mapping.begin
+ %^@module{}
+#          ^ punctuation.section.mapping.end
+#         ^ punctuation.section.mapping.begin
+#   ^^^^^^ variable.other.constant
+#  ^ keyword.operator.attribute.elixir
+# ^ keyword.operator.pin.elixir
 #^ punctuation.section.mapping.begin
  %{%{}: :%{}}."%{}"
 #              ^^^ variable.other.member