MathQuill replaces AnSwEr input fields

conf/defaults.config

@@ -934,6 +934,8 @@ $options{PGCodeMirror} = 1;
 $options{PGMathView} = 0;
 # This sets if WirisEditor is available on the PG editor for use as a minimal latex equation editor
 $options{PGWirisEditor}= 0;
+# This sets if MathQuill is available on the PG editor for use as a minimal latex equation editor
+$options{PGMathQuill}= 0;
 
 ###########################################################################################
 #### Default settings for the PG translator
@@ -959,6 +961,9 @@ $pg{options}{mathViewLocale}     = "mv_locale_us.js";
 # Default for showing the WirisEditor preview system.  To completely disable WirisEditor you need to change the PG special environment variable. 
 $pg{options}{useWirisEditor}     = 1;
 
+# Default for showing the MathQuill preview system.  To completely disable MathQuill you need to change the PG special environment variable. 
+$pg{options}{useMathQuill}     = 1;
+
 # Show correct answers (when allowed) by default?
 $pg{options}{showCorrectAnswers} = 0;  # this is a backup value use when nothing else has been set. I can think of no case where it should anything but zero.
 
@@ -1379,6 +1384,7 @@ $webservices = {
 $pg{specialPGEnvironmentVars}{DragMath} = 0;
 $pg{specialPGEnvironmentVars}{MathView} = 0;
 $pg{specialPGEnvironmentVars}{WirisEditor} = 0;
+$pg{specialPGEnvironmentVars}{MathQuill} = 0;
 
 ###############################################################################
 # default Homework Config settings
@@ -1667,6 +1673,11 @@ $ConfigValues = [
                   doc2 => 'WIRIS EDITOR is a commercial software. Using it in WebWork requires a valid license. Please contact sales@wiris.com for further information or visit www.wiris.com/solutions/webwork. Visual math editor (WYSIWYG) that allows inserting mathematical and chemistry equations. Based on JavaScript technology. It runs on any browser, including the ones in tablet PCs.
 						   You can use a large collection of icons nicely organized in thematic tabs in order to create formulas. Handwriting input also available for touchable devices. Fully featured equation editor including accessibility features.',
                   type => 'boolean'
+        },
+        { var  => 'pg{specialPGEnvironmentVars}{MathQuill}',
+                  doc  => 'Use MathQuill to live-render responses (proof of concept)',
+                  doc2 => 'MathQuill effectively renders student responses into display-math without the need for Preview Answer. Open source.',
+                  type => 'boolean'
         },
 		{ var => 'pg{options}{showEvaluatedAnswers}',
 		  doc => 'Display the evaluated student answer',

conf/localOverrides.conf.dist

@@ -223,6 +223,7 @@ $options{PGCodeMirror} = 1;
 # This sets if mathview is available on the PG editor for use as a minimal latex equation editor
 $options{PGMathView} = 0;
 $options{PGWirisEditor} = 0;
+$options{PGMathQuill} = 0;
 
 ################################################################################
 # PG subsystem options