Refine sectioning yet again, add pack numbers to appropriate sections. Other small changes.

1 files changed, 194 insertions, 172 deletions

diff --git a/doc/cd-text-format.texi b/doc/cd-text-format.texi
index 7a9662bf..d557255a 100644
--- a/doc/cd-text-format.texi
+++ b/doc/cd-text-format.texi
@@ -7,7 +7,7 @@
 @c @end tex 
 
 @setfilename cd-text-format.info
-@settitle CD-TEXT Format
+@settitle CD Text Format
 
 @copying
 @quotation
@@ -15,7 +15,8 @@ Permission is granted to copy, modify, and distribute it, as long as the
 references to the original information sources are maintained.
 There is NO WARRANTY, to the extent permitted by law.
 
-Copyright @copyright{} 2011-2012 Thomas Schmitt @email{scdbackup@@gmx.net}.
+Copyright @copyright{} 2011-2012 Thomas Schmitt @email{scdbackup@@gmx.net}.@*
+Copyright @copyright{} 2012 Rocky Bernstein
 @end quotation
 @end copying
 
@@ -23,7 +24,7 @@ Copyright @copyright{} 2011-2012 Thomas Schmitt @email{scdbackup@@gmx.net}.
 @exampleindent 0
 
 @titlepage
-@title CD-TEXT Format
+@title CD Text Format
 @author Thomas Schmitt for libburnia-project.org 
 @vskip 2in plus 1filll
 @insertcopying
@@ -33,11 +34,11 @@ Copyright @copyright{} 2011-2012 Thomas Schmitt @email{scdbackup@@gmx.net}.
 
 @ifnottex
 @node Top
-@top CD-TEXT Format
+@top CD Text Format
 
 @insertcopying
 
-CD-TEXT provides a way to give disk and track information in an audio
+CD Text provides a way to give disk and track information in an audio
 CD. This information is used, for example, in CD players to
 provide information about the audio CD.
 
@@ -45,34 +46,36 @@ This document describes the information available in CD Text, and how
 to decode and encode it.
 
 @menu
-* Encoding and Decoding CD-TEXT::
+* Encoding and Decoding CD Text::
 * Higher-Level Encoding::
+* Acknowlegement::
 * List of Tables::
 * References::
 @end menu
 @end ifnottex
 
-@node Encoding and Decoding CD-TEXT
-@chapter Encoding and Decoding CD-TEXT
+@node Encoding and Decoding CD Text
+@chapter Encoding and Decoding CD Text
 
 @menu
-* CD-TEXT Categories (Pack Types)::
-* Text Packs::
-* Text Pack Contents::
-* TOC Pack Types::
-* Block Pack Type::
+* CD Text Categories (Pack Types)::
+* Text Pack Types:: Text Pack Types (0x80-0x85, 0x8e)
+* Other Pack Types:: Other Pack Types (0x86, 0x87, 0x8d)
+* TOC Pack Types:: TOC Pack Types (0x88, 0x89)
+* Block Pack Type (0x8f)::
+* Pack Contents::
 @end menu
 
-@node CD-TEXT Categories (Pack Types)
-@section CD-TEXT Categories (Pack Types)
+@node CD Text Categories (Pack Types)
+@section CD Text Categories (Pack Types)
 
-CD-TEXT information is grouped into @emph{blocks}, each one in a particular
+CD Text information is grouped into @emph{blocks}, each one in a particular
 language.  Up to 8 languages (or blocks) can be stored.
 
 Within a block, there are 13 categories of information, called @emph{Pack
 Types}.
 
-The CD-TEXT categories are identified by a single-byte code.
+The CD Text categories are identified by a single-byte code.
 @xref{table:categories}.
 
 @float Table,table:categories
@@ -91,41 +94,60 @@ The CD-TEXT categories are identified by a single-byte code.
   0x8e: UPC/EAN code of the album and ISRC code of each track
   0x8f: Block Packet (binary)
 @end smallexample
-@caption{CD-TEXT Categories}
+@caption{CD Text Categories}
 @end float
 
 Some additional information regarding specific pack types:
 @itemize
-@item Pack Types @kbd{0x8a} to @kbd{0x8c} are reserved.  
-@item Pack Types @kbd{0x86}, @kbd{0x87}, @kbd{0x88}, @kbd{0x89}, @kbd{0x8d} apply to the whole
+@item Pack Types @kbd{0x8a} to @kbd{0x8c} although not specified are reserved for potential future use.
+
+@item Pack Types @kbd{0x86}, @kbd{0x87}, @kbd{0x88}, @kbd{0x89}, @kbd{0x8d} (Disc Identification, Genre Identification, Table of Contents, Second Table of Contents and Closed Information respectively) apply to the whole
 disc, and can not be attached to individual tracks.
-@item Pack Types @kbd{0x80}, @kbd{0x81}, @kbd{0x82}, @kbd{0x83}, @kbd{0x84},
-@kbd{0x85}, and @kbd{0x8e} have to be attributed to each
-track if they are present for the whole disc.
-@item Pack Type @kbd{0x8f} describes the overall content of a block and in part of all other blocks.
+
+@item Pack Types @kbd{0x80}, @kbd{0x81}, @kbd{0x82}, @kbd{0x83}, @kbd{0x84}, @kbd{0x85}, and @kbd{0x8e} (Performers, Songwriters, Composers,
+Arrangers, and Message Area respectively) have to be attributed to
+each track if they are present for the whole disc.
+@item Pack Type @kbd{0x8f} (Block Packet) describes the overall content of a block and in part of all other blocks. 
 @end itemize
 
 The total size of a block's attribute set is restricted by the fact
 that it has to be stored in at most 253 records with 12 bytes of
-payload. These records are called @emph{Text Packs}.  A shortcut for
-repeated identical track texts is provided, so that a text that is
-identical to the one of the previous track occupies only 2 or 4 bytes.
-
-@node Text Packs
-@section Text Packs
-
-Pack types @kbd{0x80} to @kbd{0x85} and @kbd{0x8e} contain a
-NUL-termintated string. If double-byte characters are used, then two
-zero bytes terminate the text.  Pack types @kbd{0x80} (Title) to
-@kbd{0x85} (Message Area) are encoded according to their block's
+payload. These records are called @emph{Text Packs} described in the
+next section.  A shortcut for repeated identical track texts is
+provided, so that a text that is identical to the one of the previous
+track occupies only 2 or 4 bytes.
+
+@node Text Pack Types
+@section Text Packs (@kbd{0x80}--@kbd{0x85}, @kbd{0x8e})
+
+Pack types @kbd{0x80} to @kbd{0x85} and @kbd{0x8e} (Title, Performers,
+Songwriters, Arrangers, Message Area and UPC/EAN code respectively)
+contain a NUL-termintated string. If double-byte characters are used,
+then two zero bytes terminate the text.  Of these, all except the last,
+@kbd{0x8e} or UPC/EAN code, are encoded according to their block's
 Character Code.  This could be either as ISO-8859-1 single byte
 characters, as 7-bit ASCII single byte characters, or as MS-JIS double
-byte characters.  Pack type @kbd{0x8e} (album/track code) is described
-below.
+byte characters.  
+
+Pack type @kbd{0x8e} is documented by Sony as:
+@quotation
+@emph{UPC/EAN Code (POS Code) of the
+album.  This field typically consists of 13 characters.}
+@end quotation
+This is always ASCII encoded.  It applies to tracks as ``ISRC code
+[which] typically consists of 12 characters'' and is always ISO-8859-1
+encoded.  MMC calls these information entities ``Media Catalog Number''
+and ``ISRC''.  The catalog number consists of 13 decimal digits.  ISRC
+consists of 12 characters: 2 country code [0-9A-Z], 3 owner code
+[0-9A-Z], 2 year digits (00 to 99), 5 serial number digits (00000 to
+99999).
+
+@node Other Pack Types
+@section Other Pack Types (@kbd{0x86}, @kbd{0x87}, @kbd{0x8d})
 
 For pack type @kbd{0x86} (Disc Identification) here is how Sony describes this:
 @quotation
-Catalog Number: (use ASCII Code) Catalog Number of the album
+@emph{Catalog Number: (use ASCII Code) Catalog Number of the album}
 @end quotation
 So it is not really binary but might be non-printable, and should contain only
 bytes with bit 7 set to zero.
@@ -170,126 +192,27 @@ their Big-endian 16-bit value are listed in @ref{table:genres}.
 
 Sony documents report that this field contains:
 @quotation
-Genre information that would supplement
-the Genre Code, such as ``USA Rock music in the 60's''. 
+@emph{Genre information that would supplement
+the Genre Code, such as ``USA Rock music in the 60's''.}
 @end quotation
 
 This information is always ASCII encoded.
 
-Pack type @kbd{0x88} records information from the CD's Table of
-Contents, as of READ PMA/TOC/ATIP Format @kbd{0010b}. See Table 237 TOC
-Track Descriptor Format, Q Sub-channel of @ref{mmc3r10g.pdf,, MMC-3}.
-
-Pack type @kbd{0x89} (Second Table of Contents) is not yet clear. It
-might be a representation of Playback Skip Interval, Mode-5 Q
-sub-channel, POINT 01 to 40 See Section 4.2.6.3 of @ref{mmc3r10g.pdf,, MMC-3}.
-If so, then this seems not to apply to write type SAO, because the CUE
-SHEET format offers no way to express Mode-5 Q.
-
-See @ref{TOC Pack Types} for more details about the content of pack
-types @kbd{0x88} and @kbd{0x89}.
-
 Pack type @kbd{0x8d} Sony documents says:
 @quotation
-Closed Information: (use 8859-1 Code) Any information can be recorded on
-disc as memorandum. Information in this field will not be read by CD
-TEXT players available to the public.
+@emph{Closed Information: (use 8859-1 Code) Any information can
+be recorded on disc as memorandum. Information in this field will not
+be read by CD TEXT players available to the public.}
 @end quotation
 
 It is always ISO-8859-1 encoded.
 
-Pack type @kbd{0x8e} is documented by Sony as:
-@quotation
-UPC/EAN Code (POS Code) of the
-album.  This field typically consists of 13 characters.
-@end quotation
-This is always ASCII encoded.  It applies to tracks as ``ISRC code
-[which] typically consists of 12 characters'' and is always ISO-8859-1
-encoded.  MMC calls these information entities Media Catalog Number
-and ISRC.  The catalog number consists of 13 decimal digits.  ISRC
-consists of 12 characters: 2 country code [0-9A-Z], 3 owner code
-[0-9A-Z], 2 year digits (00 to 99), 5 serial number digits (00000 to
-99999).
-
-Pack type @kbd{0x8f} summarizes the whole list of text packs of a block.
-See the next section for details.
-
-@node Text Pack Contents
-@section Text Pack Contents
-
-The attributes are represented on CD as Text Packs in the sub-channel of
-the Lead-in of the disc. The file @file{doc/cookbook.txt} of the
-@url{http://libburnia-project.org/,libburnia} distribution describes how
-to write the CD-TEXT pack array to CD, and how to read CD-TEXT packs
-from CD.
-
-The format is explained in part in Annex J of (@ref{mmc3r10g.pdf,,
-MMC-3}), and in part by Sony'sdocumentation
-@ref{cdtext.zip,,cdtext.zip}.
-
-Each pack consists of a 4-byte header, 12 bytes of payload, and 2 bytes
-of CRC.
-
-The first byte of each pack tells the pack type. See above for a list of
-types.
-
-The second byte tells the track number to which the first text piece
-in a pack is associated. Number 0 means the whole album. Higher
-numbers are valid for types @kbd{0x80} to @kbd{0x85}, and
-@kbd{0x8e}. With these types, there should be one text for the disc
-and one for each track.  With types @kbd{0x88} and @kbd{0x89}, the
-second byte bears a track number, too.  With type @kbd{0x8f}, the
-second byte counts the record parts from 0 to 2.
-
-The third byte is a sequential counter.
-
-The fourth byte is the Block Number and Character Position Indicator.
-It consists of three bit fields:
-
-@table @dfn
-@item bits 0-3
-Character position. Either the number of characters which the current
-text inherited from the previous pack, or 15 if the current
-text started before the previous pack.
-@item bits 4-6
-Block Number (groups text packs in language blocks)
-@item bit 7
-Is Double Byte Character? Is 0 if single byte characters, 1 if double-byte
-characters.
-@end table
-
-The 12 payload bytes contain pieces of ASCII NUL- or
-@code{\0}-terminated texts or binary data.  A text may span over
-several packs. Unused characters in a pack are used for the next text
-of the same pack type. If no text of the same type follows, then the
-remaining text bytes are set to 0.
-
-The CRC algorithm uses divisor @kbd{0x11021}. The resulting 16-bit
-residue of the polynomial division is inverted (xor-ed with
-@kbd{0xffff}) and written as Big-endian number in bytes 16 and 17 of
-the pack.
-
-The text packs are grouped in up to 8 blocks of at most 256 packs. Each
-block is in charge for one language. Sequence numbers of each block are
-counted separately. All packs of block 0 come before the packs of block
-1.
-
-The limitation of block number and sequence numbers imply that there are
-at most 2048 text packs possible. (READ TOC/PMS/ATIP could retrieve 3640
-packs, as it is limited to 64 KB - 2.)
-
-If a text of a track (pack types @kbd{0x80} to @kbd{0x85} and
-@kbd{0x8e}) repeats identically for the next track, then it may be
-represented by a TAB character (ASCII 9) for single byte texts,
-resp. two TAB characters for double byte texts.  (This should be used
-because 256 * 12 bytes is few space for 99 tracks.)
-
-The two binary bytes of pack type @kbd{0x87} are written to the first
-@kbd{0x87} pack of a block. They may or may not be repeated at the start
-of the follow-up packs of type @kbd{0x87}.
-
 @node TOC Pack Types
-@section TOC Pack Types
+@section TOC Pack Types (@kbd{0x88}, @kbd{0x89})
+Pack type @kbd{0x88} records information from the CD's Table of
+Contents, as of READ PMA/TOC/ATIP Format @kbd{0010b}. See Table 237 TOC
+Track Descriptor Format, Q Sub-channel of @ref{mmc3r10g.pdf,, MMC-3}.
+
 The first pack of type @kbd{0x88} (Table of Contents) records in its
 payload bytes as follows:
 
@@ -330,8 +253,11 @@ Encoding the above gives:
   88 0d 27 00 35 18 19 39 03 19 00 00 00 00 00 00 ea af
 @end smallexample
 
-It is unclear what Pack type @kbd{0x89} is used for, and what the
-information shall mean to the user of the CD. 
+Pack type @kbd{0x89} (Second Table of Contents) is not yet clear. It
+might be a representation of Playback Skip Interval, Mode-5 Q
+sub-channel, POINT 01 to 40 See Section 4.2.6.3 of @ref{mmc3r10g.pdf,, MMC-3}.
+If so, then this seems not to apply to write type SAO, because the CUE
+SHEET format offers no way to express Mode-5 Q.
 
 The time points in the Sony example are in the time range of the
 tracks numbers that are given before the time points:
@@ -356,8 +282,8 @@ two time points are stored in byte 6 to 11 of the payload. Byte 0 of the
 payload seems to be a sequential counter. Byte 1 always 4? Byte 2 to 5
 always 0?
 
-@node Block Pack Type
-@section Block Pack Type
+@node Block Pack Type (0x8f)
+@section Block Pack Type (@kbd{0x8f})
 
 Pack type @kbd{0x8f} summarizes the whole list of text packs of a
 block.  So there is one group of three @kbd{0x8f} packs per block.
@@ -454,7 +380,7 @@ referred to in bytes 28-38 of @ref{table:block-pack}.
 @end float
 
 Note: Not all of the language codes in @ref{table:languages} have
-ever been seen with CD-TEXT.
+ever been seen with CD Text.
 
 Using the preceding information, we can work out the following example.
 @smallexample
@@ -489,6 +415,82 @@ Byte :Value Meaning
   29 : 00 00 00 00 00 00 00 = language codes for block 1..7 (none)
 @end smallexample
 
+@node Pack Contents
+@section Pack Contents
+
+The attributes are represented on CD as Text Packs in the sub-channel
+of the Lead-in of the disc. The file @file{doc/cookbook.txt} of the
+@url{http://libburnia-project.org/,libburnia} distribution describes
+how to write the CD Text pack array to CD, and how to read CD Text
+packs from CD. If you are just interested in a more high-level access
+CD Text information without having to understand the internal
+structure can use libcdio's CD Text API for getting and setting
+fields.
+
+The format is explained in part in Annex J of (@ref{mmc3r10g.pdf,,
+MMC-3}), and in part by Sony's documentation
+@ref{cdtext.zip,,cdtext.zip}.
+
+Each pack consists of a 4-byte header, 12 bytes of payload, and 2 bytes
+of CRC.
+
+The first byte of each pack tells the pack type. See above for a list of
+types.
+
+The second byte tells the track number to which the first text piece
+in a pack is associated. Number 0 means the whole album. Higher
+numbers are valid for types @kbd{0x80} to @kbd{0x85}, and
+@kbd{0x8e}. With these types, there should be one text for the disc
+and one for each track.  With types @kbd{0x88} and @kbd{0x89}, the
+second byte bears a track number, too.  With type @kbd{0x8f}, the
+second byte counts the record parts from 0 to 2.
+
+The third byte is a sequential counter.
+
+The fourth byte is the Block Number and Character Position Indicator.
+It consists of three bit fields:
+
+@table @dfn
+@item bits 0-3
+Character position. Either the number of characters which the current
+text inherited from the previous pack, or 15 if the current
+text started before the previous pack.
+@item bits 4-6
+Block Number (groups text packs in language blocks)
+@item bit 7
+Is Double Byte Character? Is 0 if single byte characters, 1 if double-byte
+characters.
+@end table
+
+The 12 payload bytes contain pieces of ASCII NUL-terminated texts or
+binary data.  A text may span over several packs. Unused characters in
+a pack are used for the next text of the same pack type. If no text of
+the same type follows, then the remaining text bytes are set to 0.
+
+The CRC algorithm uses divisor @kbd{0x11021}. The resulting 16-bit
+residue of the polynomial division is inverted (xor-ed with
+@kbd{0xffff}) and written as Big-endian number in bytes 16 and 17 of
+the pack.
+
+The text packs are grouped in up to 8 blocks of at most 256 packs. Each
+block is in charge for one language. Sequence numbers of each block are
+counted separately. All packs of block 0 come before the packs of block
+1.
+
+The limitation of block number and sequence numbers imply that there are
+at most 2048 text packs possible. (READ TOC/PMS/ATIP could retrieve 3640
+packs, as it is limited to 64 KB - 2.)
+
+If a text of a track (pack types @kbd{0x80} to @kbd{0x85} and
+@kbd{0x8e}) repeats identically for the next track, then it may be
+represented by a TAB character (ASCII 9) for single byte texts,
+resp. two TAB characters for double byte texts.  (This should be used
+because 256 * 12 bytes is few space for 99 tracks.)
+
+The two binary bytes of pack type @kbd{0x87} are written to the first
+@kbd{0x87} pack of a block. They may or may not be repeated at the start
+of the follow-up packs of type @kbd{0x87}.
+
 @node Higher-Level Encoding
 @chapter Higher-Level Encoding
 
@@ -496,7 +498,7 @@ This part gives examples of two ways to input CD Text for burning.
 
 @menu
 * Sony Text File Format (Input Sheet Version 0.7T)::
-* CDRWIN Cue Sheet with CD-TEXT::
+* CDRWIN Cue Sheet with CD Text::
 @end menu
 
 @node Sony Text File Format (Input Sheet Version 0.7T)
@@ -510,7 +512,7 @@ The information is given by text lines of the following form:
   purpose specifier [whitespace] = [whitespace] content text
 [whitespace] is zero or more ASCII 32 (space) or ASCII 9 (tab) characters.
 The purpose specifier tells the meaning of the content text.
-Empty content text does not cause a CD-TEXT attribute to be attached.
+Empty content text does not cause a CD Text attribute to be attached.
 
 The following purpose specifiers apply to the session as a whole:
 
@@ -548,27 +550,43 @@ The following purpose specifiers apply to particular tracks:
   ISRC NN             =  Content of pack type 0x8e
 @end smallexample
 
-The following purpose specifiers have no effect on CD-TEXT:
+The following purpose specifiers have no effect on CD Text:
 @smallexample
-  Remarks             =  Comments with no influence on CD-TEXT
+  Remarks             =  Comments with no influence on CD Text
   Disc Information NN =  Supplementary information for use by record companies.
                          ISO-8859-1 encoded. NN ranges from 01 to 04.
   Input Sheet Version =  "0.7T"
 @end smallexample
 
 
-The following purpose specifiers accept byte values of the form 0xXY.
-  Text Code , Language Code , Genre Code , Text Data Copy Protection
-E.g. to indicate MS-JIS character code (of which the exact name is unknown):
-  Text Code           = 0x80
-Genre Code is settable by 0xXY or 0xXYZT or 0xXY 0xZT.
-  Genre Code          = 0x001b
+Purposes specifiers Text Code, Language Code, Genre Code, and Text Data
+Copy Protection are two hexidecimal digits. 
+
+For example, to indicate MS-JIS character code (of which the exact
+name is unknown) enter:
+
+@smallexample
+  Text Code = 0x80
+@end smallexample
+
+Genre Code is settable by a 4-hexidecimal digit number, or by 2
+two-digit hexidecimal numbers. For example:
+
+@smallexample
+  Genre Code = 0x001b
+  Genre Code = 0x00 0x1b
+@end smallexample
 
-Purpose specifiers which have the meaning "Content of pack type 0xXY"
-may be replaced by the pack type codes.  E.g.:
+Purpose specifiers which have the meaning ``Content of pack type 0xXY''
+may be replaced by the pack type codes.  For example:
+
+@smallexample
   0x80                =  Session content of pack type 0x80
   Track 02 0x80       =  Track content of pack type 0x80 for track 2.
-Applicable are pack types 0x80 to 0x86, 0x8d, 0x8e.
+@end smallexample
+
+Applicable are pack types @kbd{0x80} to @kbd{0x86}, @kbd{0x8d},
+@kbd{0x8e}.
 
 Text Code may be specified only once. It gets specified ISO-8850-1
 automatically as soon as content is defined which depends on the text
@@ -627,8 +645,8 @@ Track 03 Message    =
 ISRC 03             =  XYBLG1100006
 @end smallexample
 
-@node CDRWIN Cue Sheet with CD-TEXT
-@section CDRWIN Cue Sheet with CD-TEXT
+@node CDRWIN Cue Sheet with CD Text
+@section CDRWIN Cue Sheet with CD Text
 
 A CDRWIN cue sheet file defines the track data source (@kbd{FILE}),
 various text attributes (@kbd{CATALOG}, @kbd{TITLE}, @kbd{PERFORMER},
@@ -637,7 +655,7 @@ start addresses (@kbd{INDEX}).  The rules for CDRWIN cue sheet files are
 described at @url{http://digitalx.org/cue-sheet/syntax/} [4].
 
 There are three more text attributes mentioned in the cdrecord manual
-page for defining the corresponding CD-TEXT attributes: @kbd{ARRANGER},
+page for defining the corresponding CD Text attributes: @kbd{ARRANGER},
 @kbd{COMPOSER}, @kbd{MESSAGE}.
 
 An Example of a CDRWIN cue sheet file:
@@ -668,6 +686,10 @@ TITLE "Joyful Nights"
     INDEX 01 13:20:33
 @end smallexample
 
+@node Acknowlegement
+@unnumbered Acknowlegement
+Thanks to Leon Merten Lohse. 
+
 @node List of Tables
 @unnumbered List of Tables
 @listoffloats Table
@@ -684,11 +706,11 @@ in @email{libcdio-devel@@gnu.org}, December 2011. @* Mail archives at
 Revision 10g, November 12. 2011
 @url{http://www.t10.org/cgi-bin/ac.pl?t=f&f=mmc3r10g.pdf} In
 particular, see Table 237 (TOC Track Descriptor Format, Q
-Sub-channel), Annex J (CD-TEXT format in the Lead-in Area) and
+Sub-channel), Annex J (CD Text format in the Lead-in Area) and
 Sections 4.2.5.3 (Mode-5 Q).
 
-@item Documents inside Sony's @file{cdtext.zip} @anchor{cdtext.zip}
-@url{http://www.sonydadc.com/file/}
+@item Documents inside Sony's CD Text Authoring tool @file{cdtext.zip} @anchor{cdtext.zip}
+@url{http://www.sonydadc.com/file/cdtext.zip}
 
 @item Cue-Sheet Syntax
 @url{http://digitalx.org/cue-sheet/syntax}
@@ -702,7 +724,7 @@ Sections 4.2.5.3 (Mode-5 Q).
 @item @emph{Specification of the EBU Subtitling data exchange format},@*
 Appendix 3. February 1991
 @url{http://tech.ebu.ch/docs/tech/tech3264.pdf} @*
-Contains CD-TEXT Language codes shown in @ref{table:languages}.
+Contains CD Text Language codes shown in @ref{table:languages}.
 
 @item Genre codes
 @url{http://helpdesk.audiofile-engineering.com/index.php?pg=kb.page&id=123}