Merge pull request #3345 from rust-lang/badboy-patch-1

Disable the playground run button by default for code blocks

Author: ehuss

.github/workflows/deploy.yml

@@ -14,7 +14,7 @@ jobs:
     - name: Install mdbook
       run: |
         mkdir mdbook
-        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.13/mdbook-v0.4.13-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
+        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.21/mdbook-v0.4.21-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
         echo `pwd`/mdbook >> $GITHUB_PATH
     - name: Generate Book
       run: |

book.toml

@@ -7,3 +7,6 @@ git-repository-url = "https://github.com/rust-lang/rfcs"
 
 [output.html.search]
 heading-split-level = 0
+
+[output.html.playground]
+runnable = false