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/local.md

@@ -4,7 +4,7 @@ description: "Rclone docs for the local filesystem"
 date: "2014-04-26"
 ---
 
-<i class="fas fa-hdd"></i> Local Filesystem
+{{< icon "fas fa-hdd" >}} Local Filesystem
 -------------------------------------------
 
 Local paths are specified as normal filesystem paths, eg `/path/to/wherever`, so
@@ -298,7 +298,7 @@ filesystem.
 **NB** This flag is only available on Unix based systems.  On systems
 where it isn't supported (eg Windows) it will be ignored.
 
-<!--- autogenerated options start - DO NOT EDIT, instead edit fs.RegInfo in backend/local/local.go then run make backenddocs -->
+{{< rem autogenerated options start" - DO NOT EDIT - instead edit fs.RegInfo in backend/local/local.go then run make backenddocs" >}}
 ### Standard Options
 
 Here are the standard options specific to local (Local Disk).
@@ -413,6 +413,20 @@ to override the default choice.
 - Type:        bool
 - Default:     false
 
+#### --local-no-sparse
+
+Disable sparse files for multi-thread downloads
+
+On Windows platforms rclone will make sparse files when doing
+multi-thread downloads. This avoids long pauses on large files where
+the OS zeros the file. However sparse files may be undesirable as they
+cause disk fragmentation and can be slow to work with.
+
+- Config:      no_sparse
+- Env Var:     RCLONE_LOCAL_NO_SPARSE
+- Type:        bool
+- Default:     false
+
 #### --local-encoding
 
 This sets the encoding for the backend.
@@ -428,7 +442,7 @@ See: the [encoding section in the overview](/overview/#encoding) for more info.
 
 Here are the commands specific to the local backend.
 
-Run them with
+Run them with with
 
     rclone backend COMMAND remote:
 
@@ -454,4 +468,4 @@ Options:
 - "echo": echo the input arguments
 - "error": return an error based on option value
 
-<!--- autogenerated options stop -->
+{{< rem autogenerated options stop >}}