anchor.diff:  ssi: enabled
   ```
   
  -### <a id='gzip'></a> GZip Static ###
  +### <a id='pushstate'></a> Enable Pushstate Routing ###
  +
  +With client-side JavaScript apps that serve multiple routes, pushstate routing keeps browser-visible URLs clean. For example, pushstate routing allows a single JavaScript file route to multiple anchor-tagged URLs that look like `/some/path1` instead of `/some#path1`.
  +
  +To enable support for pushstate routing, add the following line to your `Staticfile`:
  +
  +```
  +pushstate: enabled
  +```
  +
  +### <a id='gzip'></a> Disable Serving and Decompressing GZip Files ###
   
   The [`gzip_static`](http://nginx.org/en/docs/http/ngx_http_gzip_static_module.html) and [`gunzip`](http://nginx.org/en/docs/http/ngx_http_gunzip_module.html) modules are set to `on` by default.
  -Together, these modules enable Nginx to properly serve compressed files to clients. They also decompress files for clients that do not support compressed content or responses.
  +`gzip_static` enables Nginx to serve files stored in compressed `.gz` format, and `gunzip` uncompresses them for clients that do not support compressed content or responses.
   
  -If you want to disable these modules, specify the following in your custom `nginx.conf`:
  +To disable these modules, specify the following in your custom `nginx.conf`:
   
   ```
   gunzip off;
  
positive.code: ---
  
  <strong><%= modified_date %></strong>
  
  ## <a id='pushing_apps'></a> Push an App ##
  
  
negative.code: root: dist
  ```
  
  ### <a id='authentication'></a> Enable or Disable Basic Authentication ###
  
  Protect your website with a user/password configured via environment variables.
  
  