old_contents: import re
  import sublime
  
  TAG = '18.11.28-1'
  ANN = 'a'+TAG
  VERSION = 'r'+TAG
  VERSION_PAT = re.compile(r'\d{2}[.]\d{2}[.]\d{2}-\d+', re.IGNORECASE)
  DEFAULT_GO_VERSION = 'go?'
  GO_VERSION_OUTPUT_PAT = re.compile(r'go\s+version\s+(\S+(?:\s+[+]\w+|\s+\([^)]+)?)', re.IGNORECASE)
  GO_VERSION_NORM_PAT = re.compile(r'[^\w.+-]+', re.IGNORECASE)
  PLATFORM = '%s-%s' % (sublime.platform(), sublime.arch())
  MARGO_EXE_PREFIX = 'gosublime.margo_'
  MARGO_EXE_SUFFIX = '.exe'
  MARGO_EXE = MARGO_EXE_PREFIX+VERSION+'_'+DEFAULT_GO_VERSION+MARGO_EXE_SUFFIX
  MARGO_EXE_PAT = re.compile(r'^gosublime\.margo.*\.exe$', re.IGNORECASE)
  
new_contents: import re
  import sublime
  
  TAG = '19.06.16-1'
  ANN = 'a'+TAG
  VERSION = 'r'+TAG
  VERSION_PAT = re.compile(r'\d{2}[.]\d{2}[.]\d{2}-\d+', re.IGNORECASE)
  DEFAULT_GO_VERSION = 'go?'
  GO_VERSION_OUTPUT_PAT = re.compile(r'go\s+version\s+(\S+(?:\s+[+]\w+|\s+\([^)]+)?)', re.IGNORECASE)
  GO_VERSION_NORM_PAT = re.compile(r'[^\w.+-]+', re.IGNORECASE)
  PLATFORM = '%s-%s' % (sublime.platform(), sublime.arch())
  MARGO_EXE_PREFIX = 'gosublime.margo_'
  MARGO_EXE_SUFFIX = '.exe'
  MARGO_EXE = MARGO_EXE_PREFIX+VERSION+'_'+DEFAULT_GO_VERSION+MARGO_EXE_SUFFIX
  MARGO_EXE_PAT = re.compile(r'^gosublime\.margo.*\.exe$', re.IGNORECASE)
  
subject: Fix ANN 19.06.16.