Allow an empty line to indicate the start of output

docs/_includes/cli_example.html

@@ -1,19 +1,37 @@
 {% assign linux_cmd_blob = '' %}
 {% assign linux_split_cmds = include.linux | newline_to_br | strip_newlines | split: '<br />' %}
+{% assign raw_output = false %}
 {% for linux_raw_cmd in linux_split_cmds %}
   {% assign linux_cmd = linux_raw_cmd | strip | split: ' ' | first %}
   {% assign linux_tail = linux_raw_cmd | strip | remove_first: linux_cmd %}
-  {% capture linux_cmd_blob %}{{linux_cmd_blob}}<span class="gp">~ $ </span><span class="s2">{{linux_cmd}}</span>{{linux_tail}}
+  {% if linux_cmd == nil %}
+    {% assign raw_output = true %}
+  {% endif %}
+  {% if raw_output %}
+    {% capture linux_cmd_blob %}{{linux_cmd_blob}}{{linux_cmd}}{{linux_tail}}
 {% endcapture %}
+  {% else %}
+    {% capture linux_cmd_blob %}{{linux_cmd_blob}}<span class="gp">~ $ </span><span class="s2">{{linux_cmd}}</span>{{linux_tail}}
+{% endcapture %}
+  {% endif %}
 {% endfor %}
 
 {% assign windows_cmd_blob = '' %}
 {% assign windows_split_cmds = include.windows | newline_to_br | strip_newlines | split: '<br />' %}
+{% assign raw_output = false %}
 {% for windows_raw_cmd in windows_split_cmds %}
   {% assign windows_cmd = windows_raw_cmd | strip | split: ' ' | first %}
   {% assign windows_tail = windows_raw_cmd | strip | remove_first: windows_cmd %}
-  {% capture windows_cmd_blob %}{{windows_cmd_blob}}<span class="gp">C:\&gt; </span><span class="s2">{{windows_cmd}}</span>{{windows_tail}}
+  {% if windows_cmd == nil %}
+    {% assign raw_output = true %}
+  {% endif %}
+  {% if raw_output == true %}
+    {% capture windows_cmd_blob %}{{windows_cmd_blob}}{{windows_cmd}}{{windows_tail}}
 {% endcapture %}
+  {% else %}
+    {% capture windows_cmd_blob %}{{windows_cmd_blob}}<span class="gp">C:\&gt; </span><span class="s2">{{windows_cmd}}</span>{{windows_tail}}
+{% endcapture %}
+  {% endif %}
 {% endfor %}
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