From 5e5d4b060093f67dc0dfb681dc67c8fcb285965d Mon Sep 17 00:00:00 2001
From: MattGarrish <mattgarrish@users.noreply.github.com>
Date: Fri, 16 Oct 2020 09:05:25 -0300
Subject: [PATCH 1/4] add webp to image core media types

---
 epub33/common/js/biblio.js | 8 ++++++++
 epub33/core/index.html     | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/epub33/common/js/biblio.js b/epub33/common/js/biblio.js
index f307b9e55..0dc625d0a 100644
--- a/epub33/common/js/biblio.js
+++ b/epub33/common/js/biblio.js
@@ -387,6 +387,14 @@ var biblio = {
     "US-ASCII": {
       "title": "&quot;Coded Character Set - 7-bit American Standard Code for Information Interchange&quot;, ANSI X3.4, 1986."
     },
+    "WebP-Container": {
+      "title": "WebP Container Specification",
+      "href": "https://developers.google.com/speed/webp/docs/riff_container"
+    },
+    "WebP-LB": {
+      "title": "WebP Lossless Bitstream Specification",
+      "href": "https://developers.google.com/speed/webp/docs/webp_lossless_bitstream_specification"
+    },
     "W3CProcess": {
       "title": "W3C Process Document",
       "href": "https://www.w3.org/Consortium/Process/"
diff --git a/epub33/core/index.html b/epub33/core/index.html
index 85fc5345f..d18a1f2c8 100644
--- a/epub33/core/index.html
+++ b/epub33/core/index.html
@@ -744,6 +744,13 @@ <h4>Supported Media Types</h4>
 								</td>
 								<td>SVG documents</td>
 							</tr>
+							<tr>
+								<td id="cmt-webp">
+									<code>image/webp</code>
+								</td>
+								<td> [[!WebP-Container]], [[!WebP-LB]] </td>
+								<td>WebP Images</td>
+							</tr>
 
 
 							<tr>
@@ -10409,6 +10416,7 @@ <h3>Substantive changes since <a href="https://www.w3.org/publishing/epub/epub-s
 					3.2</a></h3>
 
 				<ul>
+					<li>16-Oct-2020: Added WebP to the image core media types.</li>
 					<li>12-Oct-2020: Added OPUS to the audio core media types with a warning that it is still subject to
 						review depending on support in Mac/iOS.</li>
 					<li>30-Sept-2020: The structure of the EPUB core specifications has been simplified to ease

From c9ecbd873e3df0fe38210178cee4c1031fa508cd Mon Sep 17 00:00:00 2001
From: MattGarrish <mattgarrish@users.noreply.github.com>
Date: Fri, 16 Oct 2020 09:27:32 -0300
Subject: [PATCH 2/4] add reference links to issues in change log

---
 epub33/core/index.html | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/epub33/core/index.html b/epub33/core/index.html
index d18a1f2c8..d08e902eb 100644
--- a/epub33/core/index.html
+++ b/epub33/core/index.html
@@ -10416,9 +10416,11 @@ <h3>Substantive changes since <a href="https://www.w3.org/publishing/epub/epub-s
 					3.2</a></h3>
 
 				<ul>
-					<li>16-Oct-2020: Added WebP to the image core media types.</li>
+					<li>16-Oct-2020: Added WebP to the image core media types. See <a
+							href="https://github.com/w3c/publ-epub-revision/issues/1344">issue 1344</a>.</li>
 					<li>12-Oct-2020: Added OPUS to the audio core media types with a warning that it is still subject to
-						review depending on support in Mac/iOS.</li>
+						review depending on support in Mac/iOS. See <a
+							href="https://github.com/w3c/publ-epub-revision/issues/645">issue 645</a>.</li>
 					<li>30-Sept-2020: The structure of the EPUB core specifications has been simplified to ease
 						understanding and access to information. This specification now consolidates the authoring
 						requirements from the EPUB 3.2 specification together with the Packages, Content Documents, OCF

From ea9f2b18cff77ae03a11038ab14525e28e7008ed Mon Sep 17 00:00:00 2001
From: MattGarrish <mattgarrish@users.noreply.github.com>
Date: Fri, 16 Oct 2020 13:06:37 -0300
Subject: [PATCH 3/4] revert unrelated change log link

---
 epub33/core/index.html | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/epub33/core/index.html b/epub33/core/index.html
index d08e902eb..b747ee65b 100644
--- a/epub33/core/index.html
+++ b/epub33/core/index.html
@@ -10419,8 +10419,7 @@ <h3>Substantive changes since <a href="https://www.w3.org/publishing/epub/epub-s
 					<li>16-Oct-2020: Added WebP to the image core media types. See <a
 							href="https://github.com/w3c/publ-epub-revision/issues/1344">issue 1344</a>.</li>
 					<li>12-Oct-2020: Added OPUS to the audio core media types with a warning that it is still subject to
-						review depending on support in Mac/iOS. See <a
-							href="https://github.com/w3c/publ-epub-revision/issues/645">issue 645</a>.</li>
+						review depending on support in Mac/iOS.</li>
 					<li>30-Sept-2020: The structure of the EPUB core specifications has been simplified to ease
 						understanding and access to information. This specification now consolidates the authoring
 						requirements from the EPUB 3.2 specification together with the Packages, Content Documents, OCF

From d2bef44c05d4926881752f00f283416a7e0225d3 Mon Sep 17 00:00:00 2001
From: MattGarrish <mattgarrish@users.noreply.github.com>
Date: Fri, 6 Nov 2020 16:08:23 -0400
Subject: [PATCH 4/4] add note about instability of specs, media type and
 support on Apple

---
 epub33/core/index.html | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/epub33/core/index.html b/epub33/core/index.html
index 62684878e..981d9f7a1 100644
--- a/epub33/core/index.html
+++ b/epub33/core/index.html
@@ -898,6 +898,11 @@ <h5>Supported Media Types</h5>
 								will monitor support for OPUS in iOS, and may remove OPUS as a core media type if the
 								level of support is inadequate.</p>
 						</div>
+						<div class="issue" data-number="1344">
+							<p>WebP is currently not defined in a stable specification and its media type has not been
+								registered with IANA. Apple also only supports WebP on macOS 11. The working group will
+								continue to monitor these issues.</p>
+						</div>
 					</section>
 
 					<section id="sec-foreign-restrictions">
@@ -7840,9 +7845,15 @@ <h2>Allowed External Identifiers</h2>
 					<tr>
 						<td>
 							<ul class="flat">
-								<li><code>application/mathml+xml</code></li>
-								<li><code>application/mathml-presentation+xml</code></li>
-								<li><code>application/mathml-content+xml</code></li>
+								<li>
+									<code>application/mathml+xml</code>
+								</li>
+								<li>
+									<code>application/mathml-presentation+xml</code>
+								</li>
+								<li>
+									<code>application/mathml-content+xml</code>
+								</li>
 							</ul>
 						</td>
 						<td>
@@ -7853,7 +7864,9 @@ <h2>Allowed External Identifiers</h2>
 						</td>
 					</tr>
 					<tr>
-						<td><code>application/svg+xml</code></td>
+						<td>
+							<code>application/svg+xml</code>
+						</td>
 						<td>
 							<code>-//W3C//DTD SVG 1.1//EN</code>
 						</td>
@@ -8948,7 +8961,7 @@ <h3>Substantive changes since <a href="https://www.w3.org/publishing/epub/epub-s
 					3.2</a></h3>
 
 				<ul>
-					<li>6-Nov-2020: Added WebP to the image core media types. See <a
+					<li>6-Nov-2020: Added WebP to the <a href="#cmt-grp-image">image core media types</a>. See <a
 							href="https://github.com/w3c/publ-epub-revision/issues/1344">issue 1344</a>.</li>
 					<li>6-Nov-2020: A <a href="#app-identifiers-allowed">restricted set of external identifiers</a> are
 						now allowed in publication resources. <a href="#sec-xml-constraints">References to external