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-rw-r--r--guides/source/configuring.md6
1 files changed, 4 insertions, 2 deletions
diff --git a/guides/source/configuring.md b/guides/source/configuring.md
index ba2fb4c1cf..47acff7c3f 100644
--- a/guides/source/configuring.md
+++ b/guides/source/configuring.md
@@ -319,7 +319,7 @@ All these configuration options are delegated to the `I18n` library.
The MySQL adapter adds one additional configuration option:
-* `ActiveRecord::ConnectionAdapters::MysqlAdapter.emulate_booleans` controls whether Active Record will consider all `tinyint(1)` columns in a MySQL database to be booleans and is true by default.
+* `ActiveRecord::ConnectionAdapters::Mysql2Adapter.emulate_booleans` controls whether Active Record will consider all `tinyint(1)` columns in a MySQL database to be booleans and is true by default.
The schema dumper adds one additional configuration option:
@@ -461,6 +461,8 @@ encrypted cookies salt value. Defaults to `'signed encrypted cookie'`.
* `config.action_view.automatically_disable_submit_tag` determines whether
submit_tag should automatically disable on click, this defaults to true.
+* `config.action_view.debug_missing_translation` determins whether to wrap the missing translations key in a `<span>` tag or not. This defaults to true.
+
### Configuring Action Mailer
There are a number of settings available on `config.action_mailer`:
@@ -543,7 +545,7 @@ There are a few configuration options available in Active Support:
* `config.active_support.time_precision` sets the precision of JSON encoded time values. Defaults to `3`.
-* `ActiveSupport.halt_callback_chains_on_return_false` specifies whether Active Record and Active Model callback chains can be halted by returning `false` in a 'before' callback. Defaults to `true`.
+* `ActiveSupport.halt_callback_chains_on_return_false` specifies whether Active Record and Active Model callback chains can be halted by returning `false` in a 'before' callback. When set to `false`, callback chains are halted only when explicitly done so with `throw(:abort)`. When set to `true`, callback chains are halted when a callback returns false (the previous behavior before Rails 5) and a deprecation warning is given. Defaults to `true` during the deprecation period. New Rails 5 apps generate an initializer file called `callback_terminator.rb` which sets the value to `false`. This file is *not* added when running `rake rails:update`, so returning `false` will still work on older apps ported to Rails 5 and display a deprecation warning to prompt users to update their code.
* `ActiveSupport::Logger.silencer` is set to `false` to disable the ability to silence logging in a block. The default is `true`.