command: add sub_reload and sub_remove commands

sub_remove remove an external subtitle track, for whatever this may be
needed.

sub_reload removes and re-adds an external subtitle track.

Also rename sub_load to sub_add, because that seems to be more in line
with sub_remove.

1 files changed, 11 insertions, 1 deletions

diff --git a/DOCS/man/en/input.rst b/DOCS/man/en/input.rst
index 9a6b8e1adf..b05885390b 100644
--- a/DOCS/man/en/input.rst
+++ b/DOCS/man/en/input.rst
@@ -158,10 +158,20 @@ run "<command>"
 quit [<code>]
     Exit the player using the given exit code.
 
-sub_load "<file>"
+sub_add "<file>"
     Load the given subtitle file. It's not selected as current subtitle after
     loading.
 
+sub_remove [<id>]
+    Remove the given subtitle track. If the ``id`` argument is missing, remove
+    the current track. (Works on external subtitle files only.)
+
+sub_reload [<id>]
+    Reload the given subtitle tracks. If the ``id`` argument is missing, remove
+    the current track. (Works on external subtitle files only.)
+
+    This works by unloading and re-adding the subtitle track.
+
 sub_step <skip>
     Change subtitle timing such, that the subtitle event after the next <skip>
     subtitle events is displayed. <skip> can be negative to step back.