\-\-default\-search\ PREFIX\ \ \ \ \ \ \ \ \ \ Use\ this\ prefix\ for\ unqualified\ URLs.\ For
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ example\ "gvsearch2:"\ downloads\ two\ videos
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ from\ google\ videos\ for\ \ youtube\-dl\ "large
-\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ apple".\ By\ default\ (with\ value\ "auto")
-\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ youtube\-dl\ guesses.
+\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ apple".\ Use\ the\ value\ "auto"\ to\ let
+\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ youtube\-dl\ guess.\ The\ default\ value\ "error"
+\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ just\ throws\ an\ error.
\-\-ignore\-config\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ Do\ not\ read\ configuration\ files.\ When\ given
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ in\ the\ global\ configuration\ file\ /etc
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ /youtube\-dl.conf:\ do\ not\ read\ the\ user
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 128K\ (default\ 5)
\-\-recode\-video\ FORMAT\ \ \ \ \ \ \ \ \ \ \ \ Encode\ the\ video\ to\ another\ format\ if
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ necessary\ (currently\ supported:
-\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ mp4|flv|ogg|webm)
+\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ mp4|flv|ogg|webm|mkv)
\-k,\ \-\-keep\-video\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ keeps\ the\ video\ file\ on\ disk\ after\ the
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ post\-processing;\ the\ video\ is\ erased\ by
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ default