Allow user to configure marked options

README.md

@@ -96,6 +96,7 @@ simplemde.value("This text will appear in the editor");
 - **previewRender**: Custom function for parsing the plaintext Markdown and returning HTML. Used when user previews.
 - **promptURLs**: If set to `true`, a JS alert window appears asking for the link or image URL. Defaults to `false`.
 - **renderingConfig**: Adjust settings for parsing the Markdown during previewing (not editing).
+  - **markedOptions**: Set default marked markdown renderer default [options](https://github.com/chjj/marked#options-1). `singleLineBreaks` and `codeSyntaxHighlighting` options below will take precedence.
   - **singleLineBreaks**: If set to `false`, disable parsing GFM single line breaks. Defaults to `true`.
   - **codeSyntaxHighlighting**: If set to `true`, will highlight using [highlight.js](https://github.com/isagalaev/highlight.js). Defaults to `false`. To use this feature you must include highlight.js on your page. For example, include the script and the CSS files like:<br>`<script src="https://cdn.jsdelivr.net/highlight.js/latest/highlight.min.js"></script>`<br>`<link rel="stylesheet" href="https://cdn.jsdelivr.net/highlight.js/latest/styles/github.min.css">`
 - **shortcuts**: Keyboard shortcuts associated with this instance. Defaults to the [array of shortcuts](#keyboard-shortcuts).

src/js/simplemde.js

@@ -1392,8 +1392,12 @@ function SimpleMDE(options) {
 SimpleMDE.prototype.markdown = function(text) {
 	if(marked) {
 		// Initialize
-		var markedOptions = {};
-
+		var markedOptions;
+		if(this.options && this.options.renderingConfig && this.options.renderingConfig.markedOptions) {
+			markedOptions = this.options.renderingConfig.markedOptions;
+		} else {
+			markedOptions = {};
+		}
 
 		// Update options
 		if(this.options && this.options.renderingConfig && this.options.renderingConfig.singleLineBreaks === false) {