clear var in subjects generating liquid

_includes/index/locations.html

@@ -2,6 +2,7 @@
 {%- assign topLocations = site.data.theme.featured-locations | split: ";" -%}
 {%- else -%}
 {%- assign locations-fields = site.data.theme.locations-fields | split: ";" -%}
+{%- assign places = "" -%}
 {%- for c in locations-fields -%}
 {% assign new = site.data[site.metadata] | map: c | join: ";" %}
 {% assign places = places | append: ";" | append: new %}

_includes/index/subjects.html

@@ -2,6 +2,7 @@
 {%- assign topSubjects = site.data.theme.featured-subjects | split: ";" -%}
 {%- else -%}
 {%- assign subjects-fields = site.data.theme.subjects-fields | split: ";" -%}
+{%- assign subjects = "" -%}
 {%- for c in subjects-fields -%}
 {% assign new = site.data[site.metadata] | map: c | join: ";" %}
 {% assign subjects = subjects | append: ";" | append: new %}

_includes/js/cloud-js.html

@@ -1,4 +1,5 @@
 {%- assign cloud-fields = include.fields | split: ";" -%}
+{%- assign terms = "" -%}
 {%- for c in cloud-fields -%}
 {% assign new = site.data[site.metadata] | map: c | join: ";" %}
 {% assign terms = terms | append: ";" | append: new %}