No need of html_safe here

tag helper always return a html safe string and concat two html safe
strings always return a html safe string

create_fixtures should accept symbol keys for custom table -> class mappings. Fixes an unintended regression.

Fix GH #4285. Remove options when we record calling creat_table

setup_fixture_accessors should accept symbols for table names. Fixes an unintended (and untested) regression.

Polymorphic with optimistic lock and counter cache should be destroyed

use correct variant of checking whether class is a singleton

Clean up routes inclusion and add some comments for the next soul that decides to adventure on this code.

Fix typos and formats for CHANGELOG

do not rewrite log during application bootstrap

Use -e option instead of -c option (rake rdoc task).

Fix grammatical error

Ac process rebase

use #to_s to convert Range to json

fix base64 require

remove ActiveSupport::Base64 in favor of ::Base64