Add documentation for new options

doc/Design.md

@@ -110,9 +110,11 @@ A local repository can be initialized with the `restic init` command, e.g.:
 $ restic -r /tmp/restic-repo init
 ```
 
-The local backend will also accept the repository layout described in the
-following section, so that remote repositories mounted locally e.g. via fuse
-can be accessed.
+The local and sftp backends will also accept the repository layout described in
+the following section, so that remote repositories mounted locally e.g. via
+fuse can be accessed. The layout auto-detection can be overridden by specifying
+the option `-o local.layout=default`, valid values are `default`, `cloud` and
+`s3`. The option for the sftp backend is named `sftp.layout`.
 
 Object-Storage-Based Repositories
 ---------------------------------

doc/Manual.md

@@ -551,6 +551,10 @@ Then use it in the backend specification:
 $ restic -r sftp:restic-backup-host:/tmp/backup init
 ```
 
+Last, if you'd like to use an entirely different program to create the SFTP
+connection, you can specify the command to be run with the option
+`-o sftp.command="foobar"`.
+
 # Create a REST server repository
 
 In order to backup data to the remote server via HTTP or HTTPS protocol,

doc/code.css

@@ -1,4 +1,4 @@
-code {
+code, pre {
     font-size: 90%;
 }