On Tue, Sep 2, 2014 at 9:40 AM, Matt Jones <al2o...@gmail.com> wrote:

> On Monday, 1 September 2014 15:50:34 UTC-4, tamouse wrote:
>>
>> From a lengthy discussion on #rubyo...@freenode.net, I am wondering
>> about something. The *_path and *_url methods return plain String objects,
>> not an ActiveSupport::SafeBuffer. If something is passed into (say) link_to
>> that contains an escapable character, such as & in a query string, link_to
>> will escape it.
>>
>> I haven't encountered people putting .html_safe on *_path methods before,
>> so I didn't know about this. Is this something well-known? Is it expected?
>> My assumption was that it would have been html_safe.
>>
>> Anyone have any thoughts on this?
>>
>> Example:
>>
>> >>  app.glucose_readings_path(:hello => true, :goodbye=> false)
>> => "/glucose_readings?goodbye=false&hello=true"
>>
>> >>  app.glucose_readings_path(:hello => true, :goodbye=> false).class
>> => String < Object
>>
>> >>  foo.link_to "hi", app.glucose_readings_path(:hello => true,
>> :goodbye=> false)
>> => "<a href=\"/glucose_readings?goodbye=false&amp;hello=true\">hi</a>"
>>
>>
> This is the correct way to format links with & in them. Browsers tolerate
> the un-escaped version, but it's not technically valid HTML...
>

You are so right! I never knew that.

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