Condense repeated clumsy logic

Even if this was copied, it is fugly and redundant.
This is exactly the same boolean logic in two readable lines.

app/helpers/browse_everything_helper.rb

@@ -1,36 +1,25 @@
 module BrowseEverythingHelper
-
-  def array_to_hidden_fields(array,key)
+  def array_to_hidden_fields(array, key)
     fields = array.to_query(key).split(Rack::Utils::DEFAULT_SEP).collect do |pair|
-      key,value=pair.split('=', 2).map { |str| Rack::Utils.unescape(str) }
-      hidden_field_tag(key,value)
+      key, value = pair.split('=', 2).map { |str| Rack::Utils.unescape(str) }
+      hidden_field_tag(key, value)
     end
     fields.join("\n").html_safe
   end
 
-  # Extracted from Rack::Mime 1.5.2 for use with earlier versions
-  # of Rack/Rails
+  # Extracted from Rack::Mime 1.5.2 for use with earlier versions of Rack/Rails
+  # @param [String] value
+  # @param [String] matcher
+  # @return [TrueClass,FalseClass]
   def mime_match?(value, matcher)
     v1, v2 = value.split('/', 2)
     m1, m2 = matcher.split('/', 2)
-
-    if m1 == '*'
-      if m2.nil? || m2 == '*'
-        return true
-      elsif m2 == v2
-        return true
-      else
-        return false
-      end
-    end
-
-    return false if v1 != m1
-
-    return true if m2.nil? || m2 == '*'
-
-    m2 == v2
+    return false if m1 != '*' && v1 != m1
+    m2.nil? || m2 == '*' || m2 == v2
   end
 
+  # @param [BrowseEverything::FileEntry] file
+  # @return [TrueClass,FalseClass]
   def is_acceptable?(file)
     acceptable = params[:accept] || '*/*'
     acceptable_types = acceptable.split(/,\s*/)