--- Version 0.4.14 - 2017-06-23 ---
* jazz conversions (-j) now also substitues maj7 with a triangle

--- Version 0.4.13 - 2014-08-29 ---
* filename with -n doesn't contain "," anymore

--- Version 0.4.12 - 2014-03-25 ---
* if single tune is selected with -n set outout filename from title when using --ps and --pdf

--- Version 0.4.11 - 2014-03-18 ---
* adding correct title (extracted from T:) to pdf files using pdftk

--- Version 0.4.10 - 2013-03-14 ---
* added -O for specifying outfile
* add total number of pages to ps or pdf file if possible, requires
  you to have something like this in your format file:
  footer 		"$T - $P"

--- Version 0.4.9 - 2012-09-23 ---
* generates blank postscript with -e on new file

--- Version 0.4.8 - 2012-04-18 ---
* -c broken with empty annotations
* -c was broken in lines *not* starting with chord

--- Version 0.4.7 - 2012-01-30 ---
* -c (remove chords) no longer removes annotations (chords
  beginning with "@") 

--- Version 0.4.6 - 2011-11-06 ---
* removed debug stuff that broke transposition

--- Version 0.4.5 - 2011-11-02 ---
* % comment in K: works

--- Version 0.4.4 - 2011-10-26 ---
* remove chords (-c) now works with stacked chords

--- Version 0.4.3 - 2011-08-30 ---
* Fixed another python3 bug

--- Version 0.4.2 - 2011-08-16 ---
* Reading of utf-8 and latin-1 files now work

--- Version 0.4.1 - 2011-08-12 ---
* Fixed some bad syntax with python 3

--- Version 0.4.0 - 2011-08-01 ---
* abctool now compatible with python 3

--- Version 0.3.27 - 2011-05-18 ---
* -C not working together with -d

--- Version 0.3.26 - 2011-03-23 ---
* -a no longer removes annotations (guitarchords starting with @):
* added -@ to remove annotations

--- Version 0.3.25 - 2011-01-24 ---
* -t messed up in-tune T:

--- Version 0.3.24 - 2010-10-26 ---
* -D broken with empty line in input

--- Version 0.3.23 - 2010-10-24 ---
* removed debug print of entire abc with -D

--- Version 0.3.22 - 2010-10-12 ---
* fixed transposition bug when [K:] in individual voice
* -d should only process after header

--- Version 0.3.21 - 2010-09-20 ---
* fixed transposition bug with keys written as modes

--- Version 0.3.20 - 2010-07-08 ---
* initial support for multiple platforms:
  gs (linux) and gswin32c.exe (windows), thanks to Nathan Gourley

--- Version 0.3.19 - 2010-04-16 ---
* --songbook sorts files

--- Version 0.3.18 - 2010-01-20 ---
* added -P for printing via lpr

--- Version 0.3.17 - 2010-01-18 ---
* transposition would mess up inline [V and [I
* -s disables -d (danish chords) and -j (jazz chords)

--- Version 0.3.16 - 2010-01-15 ---
* fixed bug with -n and -X, 10 would select 1 and 0

--- Version 0.3.15 - 2010-01-15 ---
* added -X, tune selection based on X:field
* cleaned up the code for handling -n

--- Version 0.3.14 - 2010-01-14 ---
* fixed bug with stranger combinations of[V:]

--- Version 0.3.13 - 2010-01-14 ---
* -n didn't work with other processing
* added support for inline voice declarations ([V:])

--- Version 0.3.12 - 2010-01-13 ---
* fixed bugs with -V

--- Version 0.3.11 - 2009-11-16 ---
* added -D (remove all decorations)

--- Version 0.3.10 - 2009-10-09 ---
* chords beginning with h-z, æ, ø, å, H-Z, Æ, Ø, Å are also regarded as
  annotations, and thus not transposed

--- Version 0.3.9 - 2009-10-07 ---
* danishChords disregards annotations (chords beginning with @)

--- Version 0.3.8 - 2009-10-06 ---
* text inside %%begintext and %%endtext is not transposed

--- Version 0.3.7 - 2009-04-22 ---
* timestamp of abc file is kept with viewing and conversion to ps and pdf

--- Version 0.3.6 - 2009-01-06 ---
* added --title, adds another title (T:) below existing titles

--- Version 0.3.5 - 2009-01-05 ---
* fixed bug with multiple tunes (X:n)

--- Version 0.3.4 - 2008-09-28 ---
* fixed -n
* handles non-tune lines better
* fixed transposition bug with other scale types than major
* added --list_voices -V (keep only voices)
* fixed --songbook, --pdf and --ps
* (re)added replacement of strings (-r)

--- Version 0.3.3 - 2008-09-28 ---
* -e works again (with abc_options)

--- Version 0.3.2 - 2008-09-28 ---
* added -o (abcm2ps options)

--- Version 0.3.1 - 2008-09-28 ---
* compatible with python 2.4

--- Version 0.3.0 - 2008-09-27 ---
* major refactoring and code cleanup
* now works with more than one input file
* removed dependency of texexec and touch
* transposition works with upto 9 accidentals

--- Version 0.2.12 - 2007-06-20 ---
* various small fixes

--- Version 0.2.11 - 2007-01-16 ---
* Added -L (extract lyrics)

--- Version 0.2.10 - 2006-06-15 ---
* fixed major bug that resulted in keys (with mode different from '')
  would only use white key for root (C#m would become Cm)

--- Version 0.2.9 - 2006-06-09 ---
* K:Hp and K:HP now transposes by uncommenting K:HP and adding K:Amix
  before regular transposition 

--- Version 0.2.8 - 2006-06-09 ---
* transposition now works with church modes, written in
  upper/lower/mixed and/or abbreviated to first three letters
* code cleanup: more centralized setup of scales
* --songbook doesn't try to remove logfiles, which makes it exit
  cleanly 

--- Version 0.2.7 - 8/6-2006 ---
* chords with double altered roots wasn't transposed
* added -C switch to reduce accidentals in chords, for instance Cb
  becomes B and C## becomes D
* help message is maximum 80 chars wide
* --songbook [-R] now reacts to -j, -C, -d and -g
* key type maj now works

--- Version 0.2.6 - 7/6-2006 ---
* notes with leading _ or ^ after closing " in guitar chords were not
  transposed
* now treats 'K:' (with missing key) as 'K:none'

--- Version 0.2.5 - 6/6-2006 ---
* added more elaborate diagnostics with --check, report which part of
  the program that will work/fail

--- Version 0.2.4 - 6/6-2006 ---
* added a --check switch, which check to see if (potentionally)
  needed external programs are present on the system

--- Version 0.2.3 - 5/6-2006 ---
* annotations (guitar chords starting with one of <, >, _, ^, or @)
  are left alone during transposition

--- Version 0.2.2 - 31/5-2006 ---
* non-standard octaves (like C' and c,) are handled in transposition
* keys are now stopped at the first space, this should be changed to
  actually handling modes and exp, but it's better than throwing an
  exception 
* decorations using + (ex: +fermata+) are now left alone by the
  tranposition 

--- Version 0.2.1 - 30/5-2006 ---
* K:none was broken, at least with transposition > 12 or < -12
* chords using [] was not transposed, since they were considered
  in-tune control fields (like [M:] and [K:]. now only [K and [M are
  left alone, others are transposed

--- Version 0.2.0 - 28/5-2006 ---
* implemented correct transposition. This is now the default and
  called with -t, whereas -T is using abc2abc

--- Version 0.1.4 - 25/7-2004 ---
* added --songbook and --songbook -R for generating songbook.pdf
  containing 
  all files in current directory in the concert key, Bb and Eb
* added --norc for not using ~/.abctoolrc
* added --nostdargs for not using standard_args from ~/.abctoolrc

--- Version 0.1.3 - 26/3-2004 ---
* added -e for editing
* added -w, -W and -l for removing lyrics

--- Version 0.1.2 - 21/3-2004 ---
* removed the functions standardize and de_standardize (not needed by
  newer versions of abc2abc)
* added --midi output and -p option (play using midi and a midifile
  player)
* added support for ~/.abctoolrc

--- Version 0.1.1 - 20/3-2004 ---
* added option -r for reshufling songs, giving them successive tune
  numbers (X: fields)
* added encoding (latin-1)
* added option -j that translates jazz chords (m7b5 becomes ø, dim7
  becomes °)
* made -f and -c more robust (disregards header)
* added --ps and --pdf for generating PostScript and PDF
* changed the formatting of -h to be grouped by functionallity instead
  of alphabetically

--- Version 0.1.0 - 15/3-2004 ---
Initial release

Features:

the following options are supported:
-       read from stdin
-c      remove chords
-d      translate to danish chords (B becomes H), same as -g
-f      remove fingerings
-g      translate to german chords (B becomes H), same as -d
-h      show this help
-o O    call abc2ps wit additional options O
-s      send output to stdout
-t X    transpose by X halfsteps
-v      show version

abc2ps (actually abcm2ps) is used for generating PostScript, gv is
used to display PostScript and abc2abc is used to transpose