docs: set unsafe HTML parsing to false and fix raw HTML insertion

This means that markdown files can't contain <thing> any more.

docs/content/crypt.md

@@ -4,7 +4,7 @@ description: "Encryption overlay remote"
 date: "2016-07-28"
 ---
 
-<i class="fa fa-lock"></i>Crypt
+{{< icon "fa fa-lock" >}}Crypt
 ----------------------------------------
 
 The `crypt` remote encrypts and decrypts another remote.
@@ -277,7 +277,7 @@ Note that you should use the `rclone cryptcheck` command to check the
 integrity of a crypted remote instead of `rclone check` which can't
 check the checksums properly.
 
-<!--- autogenerated options start - DO NOT EDIT, instead edit fs.RegInfo in backend/crypt/crypt.go then run make backenddocs -->
+{{< rem autogenerated options start" - DO NOT EDIT - instead edit fs.RegInfo in backend/crypt/crypt.go then run make backenddocs" >}}
 ### Standard Options
 
 Here are the standard options specific to crypt (Encrypt/Decrypt a remote).
@@ -313,6 +313,8 @@ How to encrypt the filenames.
 
 Option to either encrypt directory names or leave them intact.
 
+NB If filename_encryption is "off" then this option will do nothing.
+
 - Config:      directory_name_encryption
 - Env Var:     RCLONE_CRYPT_DIRECTORY_NAME_ENCRYPTION
 - Type:        bool
@@ -363,7 +365,54 @@ names, or for debugging purposes.
 - Type:        bool
 - Default:     false
 
-<!--- autogenerated options stop -->
+### Backend commands
+
+Here are the commands specific to the crypt backend.
+
+Run them with with
+
+    rclone backend COMMAND remote:
+
+The help below will explain what arguments each command takes.
+
+See [the "rclone backend" command](/commands/rclone_backend/) for more
+info on how to pass options and arguments.
+
+These can be run on a running backend using the rc command
+[backend/command](/rc/#backend/command).
+
+#### encode
+
+Encode the given filename(s)
+
+    rclone backend encode remote: [options] [<arguments>+]
+
+This encodes the filenames given as arguments returning a list of
+strings of the encoded results.
+
+Usage Example:
+
+    rclone backend encode crypt: file1 [file2...]
+    rclone rc backend/command command=encode fs=crypt: file1 [file2...]
+
+
+#### decode
+
+Decode the given filename(s)
+
+    rclone backend decode remote: [options] [<arguments>+]
+
+This decodes the filenames given as arguments returning a list of
+strings of the decoded results. It will return an error if any of the
+inputs are invalid.
+
+Usage Example:
+
+    rclone backend decode crypt: encryptedfile1 [encryptedfile2...]
+    rclone rc backend/command command=decode fs=crypt: encryptedfile1 [encryptedfile2...]
+
+
+{{< rem autogenerated options stop >}}
 
 ## Backing up a crypted remote ##