Partial fix for 42885: several of the bindings weren't there, but even

when they're there, the XBL events still don't work right. r=saari

xpfe/global/resources/skin/htmlBindings.xml

@@ -28,6 +28,14 @@
         command="cmd_selectCharPrevious"/>
     <handler type="keypress" id="key_rightshift" keycode="VK_RIGHT" shift="true" alt="false" control="false"
         command="cmd_selectCharNext"/>
+
+    <!-- Cut/copy/paste/undo -->
+    <handler type="keypress" id="key_copy" key="c" primary="true"
+        command="cmd_copy"/>
+    <handler type="keypress" id="key_cut" key="x" primary="true"
+        command="cmd_cut"/>
+    <handler type="keypress" id="key_paste" key="v" primary="true"
+        command="cmd_paste"/>
     <handler type="keypress" id="key_undo" key="z" primary="true" 
         command="cmd_undo"/>
 
@@ -57,6 +65,14 @@
         command="cmd_scrollPageUp"/>
     <handler type="keypress" id="key_pagedown" keycode="VK_PAGE_DOWN" alt="false" shift="false" control="false"
         command="cmd_scrollPageDown"/>
+
+    <!-- Cut/copy/paste -->
+    <handler type="keypress" id="key_copy" key="c" primary="true"
+        command="cmd_copy"/>
+    <handler type="keypress" id="key_cut" key="x" primary="true"
+        command="cmd_cut"/>
+    <handler type="keypress" id="key_paste" key="v" primary="true"
+        command="cmd_paste"/>
     <handler type="keypress" id="key_undo" key="z" primary="true"
         command="cmd_undo"/>
 

xpfe/global/resources/skin/unix/platformHTMLBindings.xml

@@ -32,6 +32,8 @@
         command="cmd_copy"/>
     <handler type="keypress" id="key_wincut" key="x" control="true"
         command="cmd_cut"/>
+    <handler type="keypress" id="key_winpaste" key="v" control="true"
+        command="cmd_paste"/>
     <handler type="keypress" id="key_winundo" key="z" control="true"
         command="cmd_undo"/>
     <handler type="keypress" id="key_winredo" key="r" control="true"
@@ -93,6 +95,8 @@
         command="cmd_copy"/>
     <handler type="keypress" id="key_wincut" key="x" control="true"
         command="cmd_cut"/>
+    <handler type="keypress" id="key_winpaste" key="v" control="true"
+        command="cmd_paste"/>
     <handler type="keypress" id="key_winundo" key="z" control="true"
         command="cmd_undo"/>
     <handler type="keypress" id="key_winredo" key="r" control="true"