run mdbook test again in CI (#171)

* fix markdown

* attempt to run mdbook test again in CI

* use standard Rust install

* pin the version of mdbook

.github/workflows/documentation.yml

@@ -24,12 +24,12 @@ jobs:
         with:
           submodules: 'true'
 
-      - uses: Twey/setup-rust-toolchain@v1
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
 
       - name: 'Setup mdbook'
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v2
         with:
-          mdbook-version: 'latest'
+          mdbook-version: '0.4.37'
 
       - name: 'Install Protoc'
         uses: arduino/setup-protoc@v3
@@ -47,9 +47,8 @@ jobs:
 
       - run: mdbook build
 
-# TODO(#108): https://github.com/linera-io/linera-documentation/issues/108
-#      - name: 'Check documentation'
-#        run: mdbook test -L linera-protocol/target/debug/deps/
+      - name: 'Check documentation'
+        run: mdbook test -L linera-protocol/target/debug/deps/
 
   formatting:
     runs-on: ubuntu-latest

src/operators/testnets/joining.md

@@ -26,7 +26,7 @@ Minimum supported version: 1.18.0.
 Below is an example Nginx configuration which upholds the infrastructure
 requirements found in `/etc/nginx/sites-available/default`:
 
-```
+```ignore
 server {
         listen 80 http2;
 
@@ -69,7 +69,7 @@ Minimum supported version: v2.4.3
 Below is an example Caddy configuration which upholds the infrastructure
 requirements found in `/etc/caddy/Caddyfile`:
 
-```
+```ignore
 example.com {
   reverse_proxy localhost:19100 {
     transport http {
@@ -135,7 +135,7 @@ below.
 To verify the installation, you can use the `query-validator` command. For
 example:
 
-```
+```bash
 $ linera wallet init --with-new-chain --faucet https://faucet.{{#include ../../../TESTNET_DOMAIN}}.linera.net
 $ linera query-validator grpcs:my-domain.com:443