Fixed the incorrect blankline placemnt in the refactored template for id-index and id-abstracts, when generating abstracts. Fixes issue ietf-tools#1076.

 - Legacy-Id: 5913

Author: levkowetz

ietf/templates/idindex/id_index.txt

@@ -1,12 +1,18 @@
 {% autoescape off %}{% load ietf_filters %}              Current Internet-Drafts
-This summary sheet provides an index of each Internet-Draft. These
+{% if with_abstracts %}
+   This summary sheet provides a short synopsis of each Internet-Draft
+available within the "internet-drafts" directory at the shadow
+sites directory.  These drafts are listed alphabetically by working
+group acronym and start date.{% else %}
+   This summary sheet provides an index of each Internet-Draft. These
 drafts are listed alphabetically by Working Group acronym and initial
-post date. Generated {{ time }}.
+post date.{% endif %} Generated {{ time }}.
 
 {% for group in groups %}
 {% filter underline %}{{ group.name }} ({{ group.acronym }}){% endfilter %}
 {% for d in group.active_drafts %}
   {% filter wordwrap:72|indent:2 %}"{{ d.title|clean_whitespace }}", {% for a in d.authors %}{{ a }}, {% endfor %}{{ d.rev_time|date:"Y-m-d"}}, <{{ d.name }}-{{ d.rev }}{{ d.exts }}>
 {% endfilter %}{% if with_abstracts %}
+      {{ d.abstract.strip|unindent|fill:72|indent:6 }}
+{% endif %}{% endfor %}{% endfor %}{% endautoescape %}
 
-      {{ d.abstract.strip|unindent|fill:72|indent:6 }}{% endif %}{% endfor %}{% endfor %}{% endautoescape %}