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Follow-up to #16097 [ci skip]

Even if this is not exactly the same, let's add a new-line character
instead of two spaces. While it's specified in the Markdown specs that
adding spaces at the end of the line creates a break-line tag, this is
a brittle approach as people may remove them saving the file on certain
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1 parent e44cb39 commit ba9fe6cf90c12e3f81861e795b1c7299c3315b74 @robin850 robin850 committed Jul 18, 2014
Showing with 8 additions and 4 deletions.
  1. +2 −1
  2. +6 −3 guides/source/
@@ -12,5 +12,6 @@ Ruby on Rails is a volunteer effort. We encourage you to pitch in. [Join the tea
* If you have a change or new feature in mind, please [suggest it on the rubyonrails-core mailing list](!forum/rubyonrails-core) and start writing code.
-Thanks! :heart: :heart: :heart:
+Thanks! :heart: :heart: :heart:
Rails Team
@@ -124,19 +124,22 @@ with a built-in helper. In the source the generated code looked like this:
The query string strategy has several disadvantages:
1. **Not all caches will reliably cache content where the filename only differs by
-query parameters**
+query parameters**
[Steve Souders recommends](,
"...avoiding a querystring for cacheable resources". He found that in this
case 5-20% of requests will not be cached. Query strings in particular do not
work at all with some CDNs for cache invalidation.
-2. **The file name can change between nodes in multi-server environments.**
+2. **The file name can change between nodes in multi-server environments.**
The default query string in Rails 2.x is based on the modification time of
the files. When assets are deployed to a cluster, there is no guarantee that the
timestamps will be the same, resulting in different values being used depending
on which server handles the request.
-3. **Too much cache invalidation**
+3. **Too much cache invalidation**
When static assets are deployed with each new release of code, the mtime
(time of last modification) of _all_ these files changes, forcing all remote
clients to fetch them again, even when the content of those assets has not changed.

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