I wrote:
When I must to use foobar for writing tags:
FLAC: absolutly no probleme, of course.
It was a mistake: there ARE problems with handling FLAC tags in foobar, too. So I use (similar as above) these 2 actions in mp3tag:
Merging FLAC tags before foobar.mta
[#0]
T=8
F=COMPOSER
1=_DPL_
[#1]
T=8
F=ARRANGER
1=_DPL_
[#2]
T=8
F=LYRICIST
1=_DPL_
[#3]
T=8
F=ARTIST
1=_DPL_
[#4]
T=8
F=CONDUCTOR
1=_DPL_
[#5]
T=8
F=PUBLISHER
1=_DPL_
[#6]
T=8
F=GENRE
1=_DPL_
[#7]
T=8
F=LANGUAGE
1=_DPL_
Changing FLAC tags back after foobar. FIRST REFRESH!.mta
[#0]
T=5
F=PUBLISHER
1=$if($and($eql(%_extension%,flac),$grtr($len($meta(organization)),0),$not($grtr($len($meta(publisher)),0))),$meta_sep(organization,\\\\),$if($eql(%_extension%,flac),$meta_sep(publisher,\\\\),%publisher%))
[#1]
T=5
F=ORGANIZATION
1=$if($and($eql(%_extension%,flac),$eql($meta(organization),$meta(publisher))),,$meta_sep(organization,\\\\))
[#2]
T=5
F=COMPOSER
1=$if($eql(%_extension%,flac),$replace(%composer%,_DPL_,\\\\),%composer%)
[#3]
T=5
F=COMPOSER
1=$if($eql(%_extension%,flac),$replace(%composer%, / ,\\\\),%composer%)
[#4]
T=5
F=ARRANGER
1=$if($eql(%_extension%,flac),$replace(%arranger%,_DPL_,\\\\),%arranger%)
[#5]
T=5
F=ARRANGER
1=$if($eql(%_extension%,flac),$replace(%arranger%, / ,\\\\),%arranger%)
[#6]
T=5
F=LYRICIST
1=$if($eql(%_extension%,flac),$replace(%lyricist%,_DPL_,\\\\),%lyricist%)
[#7]
T=5
F=LYRICIST
1=$if($eql(%_extension%,flac),$replace(%lyricist%, / ,\\\\),%lyricist%)
[#8]
T=5
F=ARTIST
1=$if($eql(%_extension%,flac),$replace(%artist%,_DPL_,\\\\),%artist%)
[#9]
T=5
F=ARTIST
1=$if($eql(%_extension%,flac),$replace(%artist%, / ,\\\\),%artist%)
[#10]
T=5
F=CONDUCTOR
1=$if($eql(%_extension%,flac),$replace(%conductor%,_DPL_,\\\\),%conductor%)
[#11]
T=5
F=CONDUCTOR
1=$if($eql(%_extension%,flac),$replace(%conductor%, / ,\\\\),%conductor%)
[#12]
T=5
F=PUBLISHER
1=$if($eql(%_extension%,flac),$replace(%publisher%,_DPL_,\\\\),%publisher%)
[#13]
T=5
F=PUBLISHER
1=$if($eql(%_extension%,flac),$replace(%publisher%, / ,\\\\),%publisher%)
[#14]
T=5
F=GENRE
1=$if($eql(%_extension%,flac),$replace(%genre%,_DPL_,\\\\),%genre%)
[#15]
T=5
F=LANGUAGE
1=$if($eql(%_extension%,flac),$replace(%language%,_DPL_,\\\\),%language%)
[#16]
T=1
F=_FIELDNAME
1=2
2=