doc/_ext: render :example: field of an option

some options have this fields in their document, let's render it as
well.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/doc/_ext/ceph_confval.py b/doc/_ext/ceph_confval.py
index 33a4eb3f7b2d9647a598f27c4c4ff5a5fa99a420..25a3f8bc7b23897ffdc8bb7491de05cd09bbd4ca 100644 (file)
--- a/doc/_ext/ceph_confval.py
+++ b/doc/_ext/ceph_confval.py
@@ -62,6 +62,9 @@ TEMPLATE = '''
 {%- if opt.policies %}
    :policies: {{ opt.policies }}
 {% endif %}
+{%- if opt.example %}
+   :example: {{ opt.example }}
+{%- endif %}
 {%- if opt.see_also %}
    :see also: {{ opt.see_also | map('ref_confval') | join(', ') }}
 {%- endif %}