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manpage: document another option/property inconsistence

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wm4 2016-09-03 13:05:19 +02:00
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DOCS/man/input.rst
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@ -2082,6 +2082,19 @@ caveats with some properties (due to historical reasons):
If a VO is created, this will return either the actual display FPS, or
an invalid value, instead of the option value.
``audio-file``, ``sub-file``, ``external-file``
These options/properties are actually lists of filenames. To make the
command-line interface easier, each ``--audio-file=...`` option appends
the full string to the internal list. However, when used as properties,
every time you set the property as a string the internal list will be
replaced with a single entry containing the string you set. ``,`` or other
separators are never used. You have to use ``MPV_FORMAT_NODE_ARRAY`` (or
corresponding API, e.g. ``mp.set_property_native()`` with a table in Lua)
to set multiple entries.
Strictly speaking, option access via API (e.g. ``mpv_set_option_string()``)
has the same problem, and it's only a difference between CLI/API.
``demuxer``, ``idle``, ``length``, ``audio-samplerate``, ``audio-channels``, ``audio-format``, ``fps``, ``cache``
These behave completely different as property, but are deprecated (newer
aliases which don't conflict have been added). After the deprecation period