CMake Error at Repeat.cmake:[0-9]+ \(export\):
  export command already specified for the file

    foo.cmake

  Did you miss 'APPEND' keyword\?
Call Stack \(most recent call first\):
  Repeat-CMP0103-NEW.cmake:[0-9]+ \(include\)
  CMakeLists.txt:[0-9]+ \(include\)


CMake Error at Repeat/CMakeLists.txt:[0-9]+ \(export\):
  export command already specified for the file

    .+/foo.cmake

  Did you miss 'APPEND' keyword\?