Processes element with matched resource of type <code>snippet</code>
@param {AbbreviationNode} item
@param {OutputProfile} profile
@param {Number} level Depth level
function processSnippet(item, profile, level) {
		item.start = item.end = '';
		if (!isVeryFirstChild(item) && profile.tag_nl !== false && shouldAddLineBreak(item, profile)) {
			// check if we’re not inside inline element
			if (isRoot(item.parent) || !require('abbreviationUtils').isInline(item.parent)) {
				item.start = require('utils').getNewline() + item.start;
			}
		}
		
		return item;
	}