[Deps] update ecmarkup

Author: Jack-Works

index.html

@@ -2295,7 +2295,7 @@
 <emu-clause id="sec-demo-clause">
   <h1><span class="secnum">1</span> This is an emu-clause</h1>
   <p>This is an algorithm:</p>
-  <emu-alg><ol><li>Let <var>proposal</var> be <emu-val>undefined</emu-val>.</li><li>If IsAccepted(<var>proposal</var>),<ol><li>Let <var>stage</var> be <emu-val>0</emu-val>.</li></ol></li><li>Else,<ol><li>Let <var>stage</var> be <emu-val>-1</emu-val>.</li></ol></li><li>Return ?&nbsp;<emu-xref aoid="ToString" id="_ref_0"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>proposal</var>).</li></ol></emu-alg>
+  <emu-alg><ol><li>Let <var>proposal</var> be <emu-val>undefined</emu-val>.</li><li>If IsAccepted(<var>proposal</var>), then<ol><li>Let <var>stage</var> be <emu-val>0</emu-val><sub>ℤ</sub>.</li></ol></li><li>Else,<ol><li>Let <var>stage</var> be <emu-val>-1</emu-val><sub>ℤ</sub>.</li></ol></li><li>Return ?&nbsp;<emu-xref aoid="ToString" id="_ref_0"><a href="https://tc39.es/ecma262/#sec-tostring">ToString</a></emu-xref>(<var>proposal</var>).</li></ol></emu-alg>
 </emu-clause><emu-annex id="sec-copyright-and-software-license">
       <h1><span class="secnum">A</span> Copyright &amp; Software License</h1>
 

package.json

@@ -5,7 +5,7 @@
   "scripts": {
     "start": "npm run build-loose -- --watch",
     "build": "npm run build-loose -- --strict",
-    "build-loose": "ecmarkup --verbose spec.emu index.html"
+    "build-loose": "ecmarkup --load-biblio @tc39/ecma262-biblio --verbose spec.emu index.html --lint-spec"
   },
   "homepage": "https://github.com/tc39/template-for-proposals#readme",
   "repository": {
@@ -14,6 +14,7 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "ecmarkup": "^8.1.0"
+    "@tc39/ecma262-biblio": "^2.0.2288",
+    "ecmarkup": "^12.0.2"
   }
 }

spec.emu

@@ -14,10 +14,10 @@ contributors: Your Name(s) Here
   <p>This is an algorithm:</p>
   <emu-alg>
     1. Let _proposal_ be *undefined*.
-    1. If IsAccepted(_proposal_),
-      1. Let _stage_ be *0*.
+    1. If IsAccepted(_proposal_), then
+      1. Let _stage_ be *0*<sub>ℤ</sub>.
     1. Else,
-      1. Let _stage_ be *-1*.
+      1. Let _stage_ be *-1*<sub>ℤ</sub>.
     1. Return ? ToString(_proposal_).
   </emu-alg>
 </emu-clause>