Make inner whitespace nuke consistent with loops.

%ul<
  - for str in %w[foo bar baz]
    = str

<ul>foobarbaz</ul>

See #465 for discussion.
Closes #489.

Signed-off-by: Norman Clarke <norman@njclarke.com>

CHANGELOG.md

@@ -37,6 +37,9 @@
 * html2haml now includes an `--html-attributes` option.
   (thanks [Stefan Natchev](https://github.com/snatchev))
 
+* Fix for inner whitespace removal in loops.
+  (thanks [Richard Michael](https://github.com/richardkmichael))
+
 ## 3.1.5 (Unreleased)
 
 * Respect Rails' `html_safe` flag when escaping attribute values

lib/haml/compiler.rb

@@ -53,10 +53,22 @@ END
       push_text @node.value[:text]
     end
 
+    def nuke_inner_whitespace?(node)
+      if node.value && node.value[:nuke_inner_whitespace]
+        true
+      elsif node.parent
+        nuke_inner_whitespace?(node.parent)
+      else
+        false
+      end
+    end
+
     def compile_script(&block)
       push_script(@node.value[:text],
-        :preserve_script => @node.value[:preserve],
-        :escape_html => @node.value[:escape_html], &block)
+                  :preserve_script       => @node.value[:preserve],
+                  :escape_html           => @node.value[:escape_html],
+                  :nuke_inner_whitespace => nuke_inner_whitespace?(@node),
+                  &block)
     end
 
     def compile_silent_script