Add enhancement from Issue #10

Author: Banane9

Twig.xml

@@ -19,7 +19,7 @@
             <Keywords name="Folders in code1, middle"></Keywords>
             <Keywords name="Folders in code1, close"></Keywords>
             <Keywords name="Folders in code2, open">autoescape block filter embed for if macro sandbox spaceless verbatim</Keywords>
-            <Keywords name="Folders in code2, middle">else</Keywords>
+            <Keywords name="Folders in code2, middle">else elseif</Keywords>
             <Keywords name="Folders in code2, close">endautoescape endblock endfilter endembed endfor endif endmacro endsandbox endspaceless endverbatim</Keywords>
             <Keywords name="Folders in comment, open"></Keywords>
             <Keywords name="Folders in comment, middle"></Keywords>

TwigHighlightingTests.tmpl

@@ -36,6 +36,8 @@ Multiline #}
 {#- No leading/trailing whitespace -#}
 {%- if true is same as(true) -%}
     {{- value -}}
+{%- elseif true -%}
+	{{- value -}}
 {%- endif -%}
 
 {% set foo %}