the dependencies is out of date.

[zonggang]

C:\Github\livedocs>npm install -g livedocs
npm WARN deprecated jade@1.3.1: Jade has been renamed to pug, please install the latest version of pug instead of jade
npm WARN deprecated native-buffer-browserify@2.0.17: Use the "buffer" module (https://www.npmjs.com/package/buffer) instead
npm ERR! code ETARGET
npm ERR! notarget No matching version found for esprima-six@~0.0.3
npm ERR! notarget In most cases you or one of your dependencies are requesting
npm ERR! notarget a package version that doesn't exist.
npm ERR! notarget
npm ERR! notarget It was specified as a dependency of 'derequire'
npm ERR! notarget