Plot of scores fails to load because "Invalid JSON string" when a comment includes a newline

[danstowell]

The plot of scores stopped loading, and it's because the browser (firefox or chromium) reports "Invalid JSON string".

10:22:28.696 Error: Invalid JSON string:     
        {   
          "cols": [
                {"id":"","label":"Date","pattern":"","type":"datetime"},
                {"id":"","label":"testmonkey","pattern":"","type":"number"},{"id":"","label":"Comment","pattern":"","type":"string","role":"tooltip","p":{"html":true}},{"id":"","label":"topel","pattern":"","type":"number"},{"id":"","label":"Comment","pattern":"","type":"string","role":"tooltip","p":{"html":true}},{"id":"","label":"adavanne","pattern":"","type":"number"},{"id":"","label":"Comment","pattern":"","type":"string","role":"tooltip","p":{"html":true}},{"id":"","label":"toan","pattern":"","type":"number"},{"id":"","label":"Comment","pattern":"","type":"string","role":"tooltip","p":{"html":true}},{"id":"","label":"tsalem","pattern":"","type":"number"},{"id":"","label":"Comment","pattern":"","type":"string","role":"tooltip","p":{"html":true}},{"id":"","label":"ymchiqq","pattern":"","type":"number"},{"id":"","label":"Comment","pattern":"","type 1 jsapi_compiled_format_module.js:116:732
	gvjs_xe https://www.gstatic.com/charts/45.1/js/jsapi_compiled_format_module.js:116:732
	gvjs_Je https://www.gstatic.com/charts/45.1/js/jsapi_compiled_format_module.js:120:351
	gvjs_S https://www.gstatic.com/charts/45.1/js/jsapi_compiled_default_module.js:84:537
	plot_data http://lsis-argo.lsis.org/scores:85:16
	.success http://lsis-argo.lsis.org/scores:73:21
	b.Callbacks/c http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js:3:7852
	b.Callbacks/p.fireWith http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js:3:8658
	k http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js:5:14013
	.send/r http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js:5:18226
	onStopRequest resource://gre/modules/WebRequest.jsm:221:18

...I discovered that it was because one user entered a comment containing newline \r characters. I edited it to remove those characters which fixed it for now. But the JSON output probably needs to be filtered to remove newlines from comments, perhaps?