Improve "Show Usage Examples" dialog, "Email" tab

hc/front/management/commands/pygmentize.py

@@ -31,7 +31,6 @@ class Command(BaseCommand):
         _process("bash_curl", lexers.BashLexer())
         _process("bash_wget", lexers.BashLexer())
         _process("browser", lexers.JavascriptLexer())
-        _process("crontab", lexers.BashLexer())
         _process("cs", lexers.CSharpLexer())
         _process("node", lexers.JavascriptLexer())
         _process("go", lexers.GoLexer())

static/css/my_checks.css

@@ -187,7 +187,8 @@
     padding: 0;
 }
 
-#show-usage-modal pre {
+#show-usage-modal pre,
+#show-usage-modal #email {
     margin: 0;
     padding: 15px;
 }

templates/front/show_usage_modal.html

@@ -93,10 +93,12 @@
                     </div>
                     <div class="tab-pane" id="email">
                         <p>
-                        As an alternative to HTTP/HTTPS requests,
-                        you can "ping" this check by sending an
-                        email message to
-                        <code class="em">{{ check.email }}</code>
+                            Signal success or failure by sending an
+                            email message to <a href="mailto:{{ check.email }}">{{ check.email }}</a>.
+                        </p>
+                        <p>
+                            <a href="{% url 'hc-serve-doc' 'email' %}">Read more</a>
+                            about pinging via email.
                         </p>
                     </div>
                     {% endwith %}

templates/front/snippets/crontab.html

@@ -1,3 +0,0 @@
-<div class="highlight"><pre><span></span><span class="c1"># m h dom mon dow command</span>
-  <span class="m">8</span> <span class="m">6</span> *   *   *   /home/user/backup.sh <span class="o">&amp;&amp;</span> curl -fsS -m <span class="m">10</span> --retry <span class="m">5</span> -o /dev/null {{ ping_url }}
-</pre></div>

templates/front/snippets/crontab.txt

@@ -1,2 +0,0 @@
-# m h dom mon dow command
-  8 6 *   *   *   /home/user/backup.sh && curl -fsS -m 10 --retry 5 -o /dev/null PING_URL