Point to Ignore MDN failures. Make Ignore MDN failures accept IDs wit…

…h # in front, as the error message specifies. Update docs accordingly.

bikeshed/mdn/mdnspeclinks.py

@@ -152,7 +152,7 @@ def panelsFromData(doc: t.SpecT, data: MdnDataT) -> list[t.ElementT]:
         h.appendChild(doc.body, anno)
 
     if missingIds:
-        msg = "Skipped generating some MDN panels, because the following IDs weren't present in the document:\n"
+        msg = "Skipped generating some MDN panels, because the following IDs weren't present in the document. Use `Ignore MDN Failures` if this is expected.\n"
         msg += "\n".join("  #"+missingId for missingId in missingIds)
         m.warn(msg)
 

bikeshed/metadata.py

@@ -1016,6 +1016,12 @@ def parseDieWhen(key: str, val: str, lineNum: str | int | None) -> str:
     return "late"
 
 
+def parseIgnoreMdnFailure(key: str, val: str, lineNum: str | int | None) -> str:
+    vals = [x.strip() for x in val.split(",")]
+    vals = [x[1:] if x.startswith("#") else x for x in vals]
+    return vals
+
+
 def parse(lines: t.Sequence[Line]) -> tuple[list[Line], MetadataManager]:
     # Given HTML document text, in the form of an array of text lines,
     # extracts all <pre class=metadata> lines and parses their contents.
@@ -1364,7 +1370,7 @@ def parseLiteralList(key: str, val: str, lineNum: str | int | None) -> list[str]
         joinList,
         parseLiteralList,
     ),
-    "Ignore Mdn Failure": Metadata("Ignore MDN Failure", "ignoreMDNFailure", joinList, parseLiteralList),
+    "Ignore Mdn Failure": Metadata("Ignore MDN Failure", "ignoreMDNFailure", joinList, parseIgnoreMdnFailure),
     "Ignored Terms": Metadata("Ignored Terms", "ignoredTerms", joinList, parseCommaSeparated),
     "Ignored Vars": Metadata("Ignored Vars", "ignoredVars", joinList, parseCommaSeparated),
     "Image Auto Size": Metadata("Image Auto Size", "imgAutoSize", joinValue, parseBoolean),

docs/index.bs

@@ -1413,12 +1413,9 @@ There are several additional optional keys:
 			to allow it to silently upgrade when possible;
 			otherwise, if directly turned on,
 			it will emit a fatal error if it can't find your spec.
-		* <dfn>Ignore MDN Failure</dfn> takes one of the IDs that MDN is attempting to target,
+		* <dfn>Ignore MDN Failure</dfn> takes a comma-separated list of IDs that MDN is attempting (and failing) to target,
 			and prevents Bikeshed from emitting a warning
 			if it can't find that ID.
-			You can supply this multiple times
-			to ignore several IDs,
-			if needed.
 			This allows you to have avoid having a build warning
 			while waiting for MDN to be updated.
 	* Several keys relate to the [Can I Use](https://caniuse.com/) project:

docs/index.html

@@ -1488,9 +1488,9 @@
 		}
 	}
 </style>
-  <meta content="Bikeshed version 26c78a10d, updated Wed Jul 24 12:23:55 2024 -0700" name="generator">
+  <meta content="Bikeshed version caab1a033, updated Mon Sep 9 11:32:00 2024 -0700" name="generator">
   <link href="https://speced.github.io/bikeshed/" rel="canonical">
-  <meta content="26c78a10d73876e96a126dbf7599eab4d0d998ed" name="revision">
+  <meta content="caab1a03393262252169dcf1748b64aeb3ff7156" name="revision">
   <meta content="dark light" name="color-scheme">
 <style>/* Boilerplate: style-autolinks */
 .css.css, .property.property, .descriptor.descriptor {
@@ -2299,7 +2299,7 @@
   <div class="head">
    <p data-fill-with="logo"></p>
    <h1 class="p-name no-ref" id="title">Bikeshed Documentation</h1>
-   <h2 class="no-num no-toc no-ref heading settled" id="profile-and-date"><span class="content">Living Standard, <time class="dt-updated" datetime="2024-08-06">6 August 2024</time></span></h2>
+   <h2 class="no-num no-toc no-ref heading settled" id="profile-and-date"><span class="content">Living Standard, <time class="dt-updated" datetime="2024-09-16">16 September 2024</time></span></h2>
    <div data-fill-with="spec-metadata">
     <dl>
      <dt>This version:
@@ -2314,7 +2314,7 @@ <h2 class="no-num no-toc no-ref heading settled" id="profile-and-date"><span cla
    <div data-fill-with="warning"></div>
    <p class="copyright" data-fill-with="copyright"><a href="http://creativecommons.org/publicdomain/zero/1.0/" rel="license"><img alt="CC0" height="15" src="https://licensebuttons.net/p/zero/1.0/80x15.png" width="80"></a> To the extent possible under law, the editors have waived all copyright
 and related or neighboring rights to this work.
-In addition, as of 6 August 2024,
+In addition, as of 16 September 2024,
 the editors have made this specification available under the <a href="https://www.openwebfoundation.org/the-agreements/the-owf-1-0-agreements-granted-claims/owfa-1-0" rel="license">Open Web Foundation Agreement Version 1.0</a>,
 which is available at https://www.openwebfoundation.org/the-agreements/the-owf-1-0-agreements-granted-claims/owfa-1-0.
 Parts of this work may be from another specification document.  If so, those parts are instead covered by the license of that specification document. </p>
@@ -3799,12 +3799,9 @@ <h2 class="heading settled" data-level="4" id="metadata"><span class="secno">4.
 otherwise, if directly turned on,
 it will emit a fatal error if it can’t find your spec.</p>
       <li data-md>
-       <p><dfn class="dfn-paneled" data-dfn-for="metadata" data-dfn-type="dfn" data-export id="metadata-ignore-mdn-failure">Ignore MDN Failure</dfn> takes one of the IDs that MDN is attempting to target,
+       <p><dfn class="dfn-paneled" data-dfn-for="metadata" data-dfn-type="dfn" data-export id="metadata-ignore-mdn-failure">Ignore MDN Failure</dfn> takes a comma-separated list of IDs that MDN is attempting (and failing) to target,
 and prevents Bikeshed from emitting a warning
 if it can’t find that ID.
-You can supply this multiple times
-to ignore several IDs,
-if needed.
 This allows you to have avoid having a build warning
 while waiting for MDN to be updated.</p>
      </ul>