Cast remark's vfile to string
Cast remark's vfile to string

Another change on the API was the change of the return type.  It now return a vfile instead of a string.

Old:
https://github.com/wooorm/remark/blob/d1c52a3b28223e55aef9067ab725330019c87aae/doc/remark.3.md#remarkprocessfile-options-done

New:
https://github.com/wooorm/unified#processorprocessfilevalue-options-done

Glavin001/atom-beautify,prettydiff/atom-beautify,prettydiff/atom-beautify,prettydiff/atom-beautify,Glavin001/atom-beautify,Glavin001/atom-beautify,Glavin001/atom-beautify,prettydiff/atom-beautify,Glavin001/atom-beautify