Wrap code snippets in +, not backticks, in sdoc

I grepped the source code for code snippets wrapped in backticks in the comments
and replaced the backticks with plus signs so they are correctly displayed in
the Rails documentation.

[ci skip]

1 files changed, 1 insertions, 1 deletions

diff --git a/actionview/lib/action_view/template/handlers.rb b/actionview/lib/action_view/template/handlers.rb
index 33bfcb458c..ff2feb5149 100644
--- a/actionview/lib/action_view/template/handlers.rb
+++ b/actionview/lib/action_view/template/handlers.rb
@@ -22,7 +22,7 @@ module ActionView #:nodoc:
 
       # Register an object that knows how to handle template files with the given
       # extensions. This can be used to implement new template types.
-      # The handler must respond to `:call`, which will be passed the template
+      # The handler must respond to +:call+, which will be passed the template
       # and should return the rendered template as a String.
       def register_template_handler(*extensions, handler)
         raise(ArgumentError, "Extension is required") if extensions.empty?