Fix Session ended and UUID RFC link errors (#86)

Author: alcooper91

index.bs

@@ -30,6 +30,7 @@ spec: WebXR Device API - Level 1; urlPrefix: https://www.w3.org/TR/webxr/#
         type: dfn; text: session; url: dom-xrframe-session
         type: dfn; text: time; url: xrframe-time
     for: XRSession;
+        type: attribute; text: ended; url: xrsession-ended
         type: dfn; text: list of frame updates; url: xrsession-list-of-frame-updates
         type: dfn; text: mode; url: xrsession-mode
         type: dfn; text: XR device; url: xrsession-xr-device
@@ -184,7 +185,7 @@ The {{XRAnchor/requestPersistentHandle()}} method, when invoked on an {{XRAnchor
         1. Return |promise|.
         1. Abort these steps.
     1. Let |uuid| be the empty string.
-    1. Generate a UUID [[!RFC4122]] as a string and append it to |uuid|.
+    1. Generate a UUID [[!RFC9562]] as a string and append it to |uuid|.
     1. Add |uuid| and |anchor| to |session|'s [=XRSession/map of persistent anchors=].
     1. [=/Resolve=] |promise| with |uuid|.
     1. Return |promise|.
@@ -255,7 +256,7 @@ Note: It is the responsibility of user agents to ensure that the physical origin
 The {{XRSession/restorePersistentAnchor(uuid)}} method, when invoked on an {{XRSession}} |session| with |uuid|, MUST run the following steps:
     1. Let |promise| be [=a new Promise=] in the [=relevant realm=] of this {{XRSystem}}.
     1. If |session|'s [=XRSession/map of persistent anchors=] does not contain a mapping from |uuid| to an {{XRAnchor}}, [=/reject=] |promise| with {{InvalidStateError}}, return |promise|, and abort these steps.
-    1. If |session|’s [=ended=] value is `true`, [=/reject=] |promise| with {{InvalidStateError}}, return |promise|, and abort these steps.
+    1. If |session|’s {{XRSession/ended}} value is `true`, [=/reject=] |promise| with {{InvalidStateError}}, return |promise|, and abort these steps.
     1. Let |anchor| be the value of mapping from |uuid| on |session|'s [=XRSession/map of persistent anchors=].
     1. If |session|'s [=XRSession/map of new anchors=] contains a mapping from |anchor| to |promise|, [=/reject=] the |promise| with {{InvalidStateError}}, return |promise|, and abort these steps.
     1. Add |anchor| to |session|'s [=XRSession/set of tracked anchors=].