old_contents: shortcuts = {
    'frontend': ['web', 'css', 'front-end', 'webdev', 'html', 'sass', 'scss', 'stylus'],
    'wordpress': ['wp'],
    'databases': ['sql', 'mysql', 'postgre', 'postgresql', 'db'],
    'ruby': ['rails', 'ror'],
    'cplusplus': ['c++', 'cpp'],
    'javascript': ['js', 'jscript', 'ecmascript', 'es5', 'es6'],
    'assembly': ['masm', 'nasm', 'tasm', 'asm'],
    'c-sharp': ['c#'],
    'geospatial': ['gis']
    'go': ['golang'],
    'linux': ['ubuntu', 'deb', 'debian', 'arch', 'gnu', 'opensuse', '*nix', 'unix'],
    'sound': ['csound', 'max', 'supercollider', 'pd', 'max/msp', 'm4l'],
    'python': ['py', 'pygame'],
    'raspberrypi': ['pi'],
    'statistics': ['stats']
  }
  
new_contents: shortcuts = {
    'frontend': ['web', 'css', 'front-end', 'webdev', 'html', 'sass', 'scss', 'stylus'],
    'wordpress': ['wp'],
    'databases': ['sql', 'mysql', 'postgre', 'postgresql', 'db'],
    'ruby': ['rails', 'ror'],
    'cplusplus': ['c++', 'cpp'],
    'javascript': ['js', 'jscript', 'ecmascript', 'es5', 'es6'],
    'assembly': ['masm', 'nasm', 'tasm', 'asm'],
    'c-sharp': ['c#'],
    'geospatial': ['gis'],
    'go': ['golang'],
    'linux': ['ubuntu', 'deb', 'debian', 'arch', 'gnu', 'opensuse', '*nix', 'unix'],
    'sound': ['csound', 'max', 'supercollider', 'pd', 'max/msp', 'm4l'],
    'python': ['py', 'pygame'],
    'raspberrypi': ['pi'],
    'statistics': ['stats']
  }
  
subject: Fix missed comma