[MPlayer-DOCS] install.xml bugfix

[Jiri Heryan]

Diego Biurrun napsal(a):

>Also, please shorten these lines a bit.  They should not exceed 79
>characters and possibly be shorter.  This way you can add words
>without reformatting and diffs stay readable.
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>>+<screen>mplayer <replaceable>dummy.avi</replaceable> -fps subtitles_fps -subfps avi_fps [-subdelay sec] [-sub subtitle_filename] <replaceable>-dumpmicrodvdsub</replaceable></screen>
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Done. Previously I decided to stay in one line so as to avoid a mess 
with formating.

>Umm, why is -dumpmicrodvdsub in <replaceable> tags?  What should this
>option be replaced with?
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Because you may want convert a crappy microdvd subs into i. e. MPsub 
format instead. In this case you can probably avoid -subfps option, but 
i don't test it as far yet.

Jiri