Post on 20190324:
環境:
High Sierra
エラーのトリガーコマンド:
brew install caskformula/caskformula/inkscape
エラー:
Error: Cannot tap caskformula/caskformula: invalid syntax in tap!
Solution:
brew tap caskroom/cask
brew cask install xquartz
brew cask install inkscape
Source:
https://github.com/caskformula/homebrew-caskformula/issues/46