add date and time properties

_data/core-properties.yml

@@ -1,4 +1,4 @@
 
 - property: function
   type: fixity
   applicability: intent function head
@@ -51,7 +51,7 @@
       en: "x y"
 
 
 
 - property: literal
   type: inference
   applicability: all presentation elements
@@ -145,7 +145,7 @@
   applicability: mtable
   effect: "the table should be read in a style suitable for displayed equations (and inequations)"
   examples:
    - mathml: |
       <mtable intent=':system-of-equations'>
         <mtr>
          <mtd columnalign='right'>
@@ -265,7 +265,7 @@
       en: the sum from 0 to n of i squared
 
 
 
 - property: unit
   type: units-and-currency
   applicability: mi
@@ -275,7 +275,7 @@
     - mathml: "<mrow><mn>2</mn><mi mathvariant='normal' intent=':unit'>Ω</mi></mrow>"
       en: 2 ohms
   comment:
   - "This includes SI units, English units, etc. It also includes radians, degrees, etc."
 
 - property: currency
   type: units-and-currency
@@ -287,6 +287,31 @@
       en: 1.50 U S dollars
     - mathml: "<mrow><mi mathvariant='normal' intent=':currency'>£</mi><mn>1.50</mn></mrow>"
       en: 1.50 pounds
+
+- property: date
+  type: time-and-date
+  applicability: "mrow, mn"
+  examples:
+    - mathml: "<mrow intent=':date'><mn>15</mn><mo>.</mo><mn>03</mn><mo>.</mo><mn>2002</mn></mrow>"
+      en: "15 dot 0 3 dot 2002"
+    - mathml: "<mn intent=':date'>2002-03-15</mn>"
+      en: "15 dot 0 3 dot 2002"
+    - mathml: "<mrow intent=':date'><mn>2002</mn><mo>-</mo><mn>03</mn><mo>-</mo><mn>15</mn></mrow>"
+      en: "2002 dash 0 3 dash 15"
+    - mathml: "<mn intent=':date'>98/08/26</mn>"
+      en: "98 slash 0 8 slash 26"
+
+
+- property: time
+  type: time-and-date
+  applicability: "mrow, mn, msup"
+  examples:
+    - mathml: "<mrow intent=':time'><mn>5</mn><mo>:</mo><mn>20</mn></mrow>"
+      en: "5 20"
+    - mathml: "<mn intent=':time'>18:47</mn>"
+      en: "18 47"
+    - mathml: "<msup intent=':time'><mn>12</mn><mn>15</mn></msup>"
+      en: "12 15"
 
 
 - property: roman-numeral
@@ -345,7 +370,7 @@
   effect: read the term as a chemical equation
   comment: chemical equations include arrows, operators (e.g., `+`, `-`, `=`), and brackets (to indicate concentration)
   examples:
    - mathml: |
       <mrow intent=':chemical-equation'>
        <mrow intent=':chemical-equation'>
         <mn>2</mn>
@@ -382,7 +407,7 @@
      en: '2,  cap h, sub 2;  cap o; reacts to form; 2  cap h, sub 2; plus  cap o, sub 2'
 
 
 
 - property: pause-short
   type: pause
   applicability: all
@@ -436,10 +461,10 @@
 - property: use-argname
   type: argname
   applicability: all
   effect: "Used as a _self-property_ on an element with `arg`, causes the value of the `arg` attribute to be spoken by AT when the user moves to that child. For core concepts, this value should override argument names that would otherwise be used by AT.
            May be translated to the current language, or used literally if translation is not known."
   examples:
      - mathml: '<mi arg="numerator" intent=":use-argname">x</mi>'
        en: numerator
        fr: numérateur
        de: Zähler