Get the plain text content of an MDAST node.
npm:
npm install mdast-util-to-stringvar remark = require('remark');
var toString = require('mdast-util-to-string');
var tree = remark().parse('Some *emphasis*, **importance**, and `code`.');
console.log(toString(tree)); //=> 'Some emphasis, importance, and code.'Get the text content of a node.
The algorithm checks value of node, then alt, and finally title.
If no value is found, the algorithm checks the children of node and
joins them (without spaces or newlines).
This is not a markdown to plain-text library. Use
strip-markdownfor that.
