- Add version to metadata

- add PDF script for parity with ECMA-262

Author: gesa

package.json

@@ -9,7 +9,8 @@
     "prebuild-only": "npm run clean && mkdir out && cp -R img out",
     "build-only": "npm run build-to -- out/index.html --assets-dir=out",
     "build": "npm run build-only -- --lint-spec --strict",
-    "build-for-pdf": "npm run build -- --old-toc",
+    "build-for-pdf": "npm run build -- --printable",
+    "pdf": "npm run build-for-pdf && prince --script ./node_modules/ecmarkup/js/print.js out/index.html -o out/ECMA-402.pdf",
     "test": "npm run build-to -- /dev/null --lint-spec --strict",
     "watch": "npm run build-only -- --lint-spec --watch"
   },

spec/index.html

@@ -31,6 +31,7 @@
   shortname: ECMA-402
   status: draft
   location: https://tc39.es/ecma402/
+  version: 13th Edition
 </pre>
 <p><img src="img/ecma-logo.svg" id="ecma-logo"></p>
 <emu-import href="metablock.html"></emu-import>