some documentation fixes

Author: christianp

runtime/scripts/jme-display.js

@@ -973,7 +973,7 @@ JMEDisplayer.prototype = {
     /** Display a complex decimal.
      *
      * @abstract
-     * @param {decimal} n
+     * @param {Numbas.math.ComplexDecimal} n
      * @param {Numbas.math.niceNumber_settings} options
      * @returns {*}
      * @see Numbas.jme.display.JMEDisplayer#decimal
@@ -984,7 +984,7 @@ JMEDisplayer.prototype = {
     /** Display a decimal as a fraction.
      *
      * @abstract
-     * @param {decimal} n
+     * @param {Decimal} n
      * @param {Numbas.math.niceNumber_settings} options
      * @returns {*}
      * @see Numbas.jme.display.JMEDisplayer#decimal
@@ -995,7 +995,7 @@ JMEDisplayer.prototype = {
     /** Display a decimal as a decimal.
      *
      * @abstract
-     * @param {decimal} n
+     * @param {Decimal} n
      * @param {Numbas.math.niceNumber_settings} options
      * @returns {*}
      * @see Numbas.jme.display.JMEDisplayer#decimal

runtime/scripts/math.js

@@ -1148,7 +1148,8 @@ var math = Numbas.math = /** @lends Numbas.math */ {
     /** Get the significand and exponent of a number written in exponential form.
      *
      * @param {string} str
-     * @returns {object} `{significand: number, exponent: number}`
+     * @param {boolean} [parse=true] - Parse the significand and exponent values to numbers, or leave them as strings?
+     * @returns {object} `{significand: number, exponent: number}` if `parse` is true, or `{significand: string, exponent: string}`
      */
     parseScientific: function(str, parse) {
         var m = /(-?\d[ \d]*(?:\.\d[ \d]*)?)e([\-+]?\d[ \d]*)/i.exec(str);

themes/default/files/scripts/mathjax.js

@@ -3,6 +3,11 @@ Numbas.queueScript('mathjax-hooks',['display-base','jme','jme-display'],function
         return;
     }
 
+    /** Wrap a variable substitution inside `\simplify` with the `texify_simplify_subvar` function so it can be evaluated.
+     *
+     * @param {string} expr
+     * @returns {string}
+     */
     function wrap_subvar(expr) {
         var sbits = Numbas.util.splitbrackets(expr,'{','}');
         var out = '';