add web overrides for text-align, text-color, and text-style

Author: frett

public/xmlns/web.xsd

@@ -27,12 +27,18 @@
 
     <!-- region: content:text attributes -->
     <xs:attribute name="font-weight" type="content:fontWeight" />
+    <xs:attribute name="text-align" type="content:horizontalGravity" />
+    <xs:attribute name="text-color" type="content:colorValue" />
     <xs:attribute name="text-scale" type="xs:float" />
+    <xs:attribute name="text-style" type="content:textStyles" />
     <xs:attribute name="minimum-lines" type="content:textMinimumLines" />
 
     <xs:attributeGroup name="contentTextType">
         <xs:attribute ref="web:font-weight" />
+        <xs:attribute ref="web:text-align" />
+        <xs:attribute ref="web:text-color" />
         <xs:attribute ref="web:text-scale" />
+        <xs:attribute ref="web:text-style" />
         <xs:attribute ref="web:minimum-lines" />
     </xs:attributeGroup>
     <!-- endregion: content:text attributes -->

schema_tests/content/valid/tests/text_web_overrides.xml

@@ -0,0 +1,4 @@
+<content:text xmlns:content="https://mobile-content-api.cru.org/xmlns/content"
+    xmlns:web="https://mobile-content-api.cru.org/xmlns/web" font-weight="400" minimum-lines="2" text-align="center"
+    text-color="rgba(255,0,0,1)" text-style="italic" web:font-weight="700" web:minimum-lines="5"
+    web:text-align="start" web:text-color="rgba(0,255,255,1)" web:text-style="underline" />