Various fixes after review and compare with EL spec

Add some missing asciidoc escapes
Update copyright dates
Use {revdate} where appropriate
Fix overly large first title
Make title consistent (without version number)

Signed-off-by: Mark Thomas <markt@apache.org>

spec/src/main/asciidoc/WebSocket.adoc

@@ -1,18 +1,19 @@
-:sectnums:
-= Jakarta WebSocket Specification, Version 2.0
+:sectnums!:
+== Jakarta WebSocket Specification, Version 2.0
 
-Copyright (c) 2011, 2019 Oracle and/or its affiliates and others.
+Copyright (c) 2011, 2020 Oracle and/or its affiliates and others.
 All rights reserved.
 
 Eclipse is a registered trademark of the Eclipse Foundation. Jakarta
 is a trademark of the Eclipse Foundation. Oracle and Java are
 registered trademarks of Oracle and/or its affiliates. Other names
 may be trademarks of their respective owners. 
 
-The Jakarta WebSocket Team TBD, 2020
+The Jakarta WebSocket Team - {revdate}
 
 Comments to: websocket-dev@eclipse.org
 
+:sectnums:
 [[introduction]]
 == Introduction
 
@@ -1476,7 +1477,7 @@ either to the *GOLD_MEMBER* or *PLATINUM_MEMBER* roles.
 [[changes-since-1.1-final-release]]
 == Changes Since 1.1 Final Release
 * https://github.com/eclipse-ee4j/websocket-api/pull/312[Pull Request 312]
-Convert from javax.* to jakarta.*
+Convert from `javax.\*` to `jakarta.*`
 * https://github.com/eclipse-ee4j/websocket-api/pull/312[Pull Request 315]
 Update specification document for move to Jakarta EE
 

spec/src/main/asciidoc/license-efsl.adoc

@@ -26,7 +26,7 @@ document, or portions thereof, that you use:
 * All existing copyright notices, or if one does not exist, a notice
   (hypertext is preferred, but a textual representation is permitted)
   of the form: "Copyright (c) [$date-of-document]
-  Eclipse Foundation, Inc. <<url to this license>>"
+  Eclipse Foundation, Inc. \<<url to this license>>"
 
 Inclusion of the full text of this NOTICE must be provided. We
 request that authorship attribution be provided in any software,

spec/src/main/asciidoc/websocket-spec.adoc

@@ -1,8 +1,8 @@
 //
-// Copyright (c) 2017, 2019 Contributors to the Eclipse Foundation
+// Copyright (c) 2017, 2020 Contributors to the Eclipse Foundation
 //
 
-= Jakarta WebSocket 2.0
+= Jakarta WebSocket
 :authors: Jakarta WebSocket Team, https://projects.eclipse.org/projects/ee4j.websocket
 :email: https://dev.eclipse.org/mailman/listinfo/websocket-dev
 :version-label!: