-\f[C]!=\f[] (not equals): \- \f[C]filesize\f[]: The number of bytes, if
-known in advance \- \f[C]width\f[]: Width of the video, if known \-
-\f[C]height\f[]: Height of the video, if known \- \f[C]tbr\f[]: Average
-bitrate of audio and video in KBit/s \- \f[C]abr\f[]: Average audio
-bitrate in KBit/s \- \f[C]vbr\f[]: Average video bitrate in KBit/s \-
-\f[C]asr\f[]: Audio sampling rate in Hertz \- \f[C]fps\f[]: Frame rate
-.PP
-Also filtering work for comparisons \f[C]=\f[] (equals), \f[C]!=\f[]
-(not equals), \f[C]^=\f[] (begins with), \f[C]$=\f[] (ends with),
-\f[C]*=\f[] (contains) and following string meta fields: \-
-\f[C]ext\f[]: File extension \- \f[C]acodec\f[]: Name of the audio codec
-in use \- \f[C]vcodec\f[]: Name of the video codec in use \-
-\f[C]container\f[]: Name of the container format \- \f[C]protocol\f[]:
-The protocol that will be used for the actual download, lower\-case
-(\f[C]http\f[], \f[C]https\f[], \f[C]rtsp\f[], \f[C]rtmp\f[],
-\f[C]rtmpe\f[], \f[C]mms\f[], \f[C]f4m\f[], \f[C]ism\f[], \f[C]m3u8\f[],
-or \f[C]m3u8_native\f[]) \- \f[C]format_id\f[]: A short description of
-the format
+\f[C]!=\f[] (not equals):
+.IP \[bu] 2
+\f[C]filesize\f[]: The number of bytes, if known in advance
+.IP \[bu] 2
+\f[C]width\f[]: Width of the video, if known
+.IP \[bu] 2
+\f[C]height\f[]: Height of the video, if known
+.IP \[bu] 2
+\f[C]tbr\f[]: Average bitrate of audio and video in KBit/s
+.IP \[bu] 2
+\f[C]abr\f[]: Average audio bitrate in KBit/s
+.IP \[bu] 2
+\f[C]vbr\f[]: Average video bitrate in KBit/s
+.IP \[bu] 2
+\f[C]asr\f[]: Audio sampling rate in Hertz
+.IP \[bu] 2
+\f[C]fps\f[]: Frame rate
+.PP
+Also filtering work for comparisons \f[C]=\f[] (equals), \f[C]^=\f[]
+(starts with), \f[C]$=\f[] (ends with), \f[C]*=\f[] (contains) and
+following string meta fields:
+.IP \[bu] 2
+\f[C]ext\f[]: File extension
+.IP \[bu] 2
+\f[C]acodec\f[]: Name of the audio codec in use
+.IP \[bu] 2
+\f[C]vcodec\f[]: Name of the video codec in use
+.IP \[bu] 2
+\f[C]container\f[]: Name of the container format
+.IP \[bu] 2
+\f[C]protocol\f[]: The protocol that will be used for the actual
+download, lower\-case (\f[C]http\f[], \f[C]https\f[], \f[C]rtsp\f[],
+\f[C]rtmp\f[], \f[C]rtmpe\f[], \f[C]mms\f[], \f[C]f4m\f[], \f[C]ism\f[],
+\f[C]http_dash_segments\f[], \f[C]m3u8\f[], or \f[C]m3u8_native\f[])
+.IP \[bu] 2
+\f[C]format_id\f[]: A short description of the format
+.PP
+Any string comparison may be prefixed with negation \f[C]!\f[] in order
+to produce an opposite comparison, e.g.
+\f[C]!*=\f[] (does not contain).