Global symbol "$foo" requires explicit package name [[[
  <?>\(did you forget to declare "my \$foo\"\?\) ]]][[[
  <!>at .*?/index.yatt line]]] 3.
Global symbol "$bar" requires explicit package name [[[
  <?>\(did you forget to declare "my \$bar\"\?\) ]]][[[
  <!>at .*?/index.yatt line]]] 3.
