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function toHTML(code) {
	code = removeTags(code)
	code = convertTables(code)
	code = convertLists(code)
	code = removeBlankLines(code)
	code = convertHeaders(code)
	code = convertParagraphs(code)
	code = convertNewLines(code)
	code = convertLinks(code)
	code = convertBolds(code)
	code = convertItalics(code)
	return code
}

/**
 * Removes any html code blocks by encoding '<' and '>'
 */
function removeTags(code) {
	code = code.replace(/>/g,"&gt;")
	return code.replace(/</g,"&lt;")
}

/**
 * Removes blank lines such that there is at most one blank line between texts
 */
function removeBlankLines(code) {
	return code.replace(/\n\n+\n/gm,"\n\n")
}

/**
 * Takes links in the format of "link text":[link (with spaces)] and converts
 * it to a valid href link
 */
function convertLinks(code) {
	return code.replace(/"([^"]*)":\[([^\]]*)\]/gm,function(match,text,url) {
		return "<a href=\""+url+"\">"+text+"</a>"
	})
}

/**
 * Takes headers in the form of "h#. Header Text" and surrounds them with
 * <h#> tags
 */
function convertHeaders(code) {
	return code.replace(/^[hH](\d). *(.*) */gm,function(match,number,text) {
		return "<h"+number+">"+text+"</h"+number+">"
	})
}

/**
 * Replaces any new lines that do not signify a new paragraph with <br> tags
 */
function convertNewLines(code) {
	/*return code.replace(/(?!\n)/gm,function(match,text) {
		return text+"<br>"
	})*/
	return code.replace(/(.| )$\n(?!(\n|<))/gm,function(match,text) {
		return text+"<br>\n"
	})
}

/**
 * Takes any block of text not already converted into HTML and surrounds it with
 * <p> tags.  A block of text is one which has a blank line either preceding or
 * proceding it.
 */
function convertParagraphs(code) {
	return code.replace(/^\n?(([^<\n]|\n(?!\n)| )*)/gm,function(match,text) {
		if(text)
			return "\n<p>"+text+"</p>"
		return ""
	})
}

/**
 * Converts text surrounded by two consecutive '*' into bolded text with
 * <strong> tags
 */
function convertBolds(code) {
	return code.replace(/\*\*(.+)\*\*/gm,function(match,text) {
		return "<strong>"+text+"</strong>"
	})
}

/**
 * Converts text surrounded by a single '*' into italics text with <em> tags
 */
function convertItalics(code) {
	return code.replace(/\*(.+)\*/gm,function(match,text) {
		return "<em>"+text+"</em>"
	})
}

/**
 * Takes blocks of text which look like the below and form them into a valid
 * HTML table.  Pipes ('|') signify the start of a new cell
 * Forward-slashes ('/') signify the end of a row
 *
 * | cell 1 | cell 2 /
 * | cell 3 | cell 4 /
 *
 * <table>
 * 		<tr>
 * 			<td>cell 1</td><td>cell 2</td>
 * 		</tr>
 * 		<tr>
 * 			<td>cell 3</td><td>cell 4</td>
 * 		</tr>
 * </table>
 */
function convertTables(code) {
	return code.replace(/\|(.|\n(?!\n))*\//g,function(match) {
		match = match.replace(/^\| *(?=.)/gm,"<tr><td>")
		match = match.replace(/ *\| *(?=.)/gm,"</td><td>")
		match = match.replace(/ *\/$/gm,"</td></tr>")
		return "<table>"+match+"</table>"
	})
}

/**
 *  Let a list Item be defined by " *[-*+]|([a-zA-Z0-9](.|\))) *"
 *  Let the number of spaces before a list Item be the Item Rank
 *  Let the subness of a list be its Order
 *
 *  Let there be a relational list between previous Ranks and their Order called R/O-Prev
 *
 *  If R/O-Prev is empty then Order = 1
 *  If the Rank is in R/O-Prev then Order = R/O-Prev[Rank]
 *  If the Rank is greater than previous then the Order is increased by 1
 *  If the Rank is lesser than previous then Order = Order associated with the closest but less Rank
 *  Association is set in R/O-Prev and all greater Rank associations are nullified
 */
function convertLists(code) {
	code = code.replace(/^ *[-*+](.|\n(?!\n))*/gm,function(match) {
		var html = ""
		var ranks = []	//order = index, rank = ranks[index]
		var lists = []  //order = index, type = lists[index] = "</ul>" or "</ol>"
		var getRank = function(arrRanks, curRank) {
			for(var i=0;i<arrRanks.length;i++)
				if(arrRanks[i]==curRank)
					return i
				else if(arrRanks[i]>curRank)
					return i-1>=0?i-1:0
			return arrRanks.length
		}
		//var bullet = /^( *)[-*+]((.|\n *[\w\d])*)/gm
		/**
		 * ^( *)					#number of spaces
		 * ([-*+]|[a-zA-Z0-9][).])	#orderd vs unordered
		 * ((.|\n *[\w\d]{2,})*)	#to end of line or next line if not
		 * 							#beginning of new item
		 */
		var bullet = /^( *)([-*+]|[a-zA-Z0-9][).])((.|\n *[\w\d]{2,})*)/gm
		var prevOrder = -1, prevRank = -1, order, rank
		while((item = bullet.exec(match))!=null) {
			rank = item[1].length
			//figure out the order
			if(ranks.length==0)
				order = 0
			else {
				if(rank>prevRank) {
					order = ranks.length
					ranks[ranks.length] = rank
				} else {
					order = getRank(ranks,rank)
				}
			}
			ranks[order] = rank		//ensure rank is in there
			//reinit spArr
			if(order<prevOrder) {
				var nRanks = []
				for(var i=0;i<=order;i++)
					nRanks[i] = ranks[i]
				ranks = nRanks
			}
			/**
			 * Apply HTML.  Each item should be given an open 
			 */
			if(order>prevOrder) {
				if(item[2].substr(0,1)=='-') {
					html += "\n<ul>"
					lists[order] = "\n</ul>"
				}
				else {
					html += "<ol>"
					lists[order] = "</ol>"
				}
				html += "<li>"+item[3]
			} else if(order<prevOrder) {
				for(var i=prevOrder;i>order;i--)
					html+="</li>"+lists[i]
				html += "</li><li>"+item[3]
				
			} else
				html += "</li><li>"+item[3]
			//order and rank are now old
			prevRank = rank
			prevOrder = order
		}
		html += "</li></ul>"
		return html
	})
	return code
}