manpage: minor fixes

Also update the Lua example. The "pause" event was declared deprecated,
so the example should use the newer API.

DOCS/man/lua.rst

@@ -22,10 +22,12 @@ A script which leaves fullscreen mode when the player is paused:
 
 ::
 
-    function on_pause()
-        mp.set_property("fullscreen", "no")
+    function on_pause(name, value)
+        if pause == true then
+            mp.set_property("fullscreen", "no")
+        end
     end
-    mp.register_event("pause", on_pause)
+    mp.observe_property("pause", "bool", on_pause_change)
 
 This script provides a pretty weird feature, but Lua scripting was made to
 allow users implement features which are not going to be added to the mpv core.
@@ -720,9 +722,6 @@ List of events
 ``command-reply``
     Undocumented (not useful for Lua scripts).
 
-``script-input-dispatch``
-    Undocumented (used internally).
-
 ``client-message``
     Undocumented (used internally).
 

DOCS/man/mpv.rst

@@ -488,7 +488,7 @@ listed.
 
 - ``AV:`` or ``V:`` (video only) or ``A:`` (audio only)
 - The current time position in ``HH:MM:SS`` format (``playback-time`` property)
-- The total file duration (or ``00:00:00`` if unknown) (``length`` property)
+- The total file duration (absent if unknown) (``length`` property)
 - Playback speed, e.g. `` x2.0``. Only visible if the speed is not normal. This
   is the user-requested speed, and not the actual speed  (usually they should
   be the same, unless playback is too slow). (``speed`` property.)
@@ -539,7 +539,7 @@ PROTOCOLS
 ``bd://[title][/device]`` ``--bluray-device=PATH``
     Play a Blu-Ray disc. Currently, this does not accept ISO files. Instead,
     you must mount the ISO file as filesystem, and point ``--bluray-device``
-    to the mounted directly.
+    to the mounted directory directly.
 
 ``bdnav://[title][/device]``
     Play a Blu-Ray disc, with navigation features enabled. This feature is

DOCS/man/options.rst

@@ -51,8 +51,8 @@ Track Selection
     other software using FFmpeg (consider ``ffprobe``).
 
     Note that with external tracks (added with ``--sub-file`` and similar
-    options) will have duplicate IDs. In that case, the first stream in order
-    is selected.
+    options), there will be streams with duplicate IDs. In this case, the
+    first stream in order is selected.
 
 ``--edition=<ID|auto>``
     (Matroska files only)