Please add language information to the TSV output

[jsbien]

This is actually a 4-year old feature request, formulated in my comment to issue 918
(https://groups.google.com/forum/#!searchin/tesseract-issues/issue$20918/tesseract-issues/U7g6ntPXYds/aAyTuIFBUhwJ) but I really need it now, cf. https://groups.google.com/forum/#!topic/tesseract-dev/d4QQdaq3LF0.

[Shreeshrii]

@zdenop Please label as Feature Request.

[jsbien]

A sample of the proposed output, created manually using original tsv and hocr; for this issue the last 3 columns are not relevant. This file and source data are available at https://bitbucket.org/jsbien/linde-info in the TesseractTSVextension directory.

`
level page_num block_num par_num line_num word_num left top width height conf text lang x_font x_fsize emph
1 1 0 0 0 0 0 0 4760 6388 -1
2 1 1 0 0 0 4 4073 11 2256 -1 deu-frak
3 1 1 1 0 0 4 4073 11 2256 -1 deu-frak
4 1 1 1 1 0 4 4073 11 2256 -1 deu-frak
5 1 1 1 1 1 4 4073 11 2256 95 deu-frak Century_Schoolbook_L_Bold 135 strong
2 1 2 0 0 0 207 498 2048 698 -1
3 1 2 1 0 0 207 498 2048 698 -1 pol
4 1 2 1 1 0 892 498 682 65 -1 pol Century_Schoolbook_L_Bold 10 strong
5 1 2 1 1 1 892 499 48 63 85 A pol Century_Schoolbook_L_Bold 10 strong
5 1 2 1 1 2 968 501 45 62 95 L pol Century_Schoolbook_L_Bold 10 strong
5 1 2 1 1 3 1040 499 48 64 87 A pol Century_Schoolbook_L_Bold 10 strong
5 1 2 1 1 4 1114 500 45 62 89 B pol Century_Schoolbook_L_Bold 10 strong
5 1 2 1 1 5 1188 499 50 63 81 A pol Century_Schoolbook_L_Bold 10 strong
5 1 2 1 1 6 1283 536 37 12 88 —- deu-frak Century_Schoolbook_L_Bold 10 strong
5 1 2 1 1 7 1365 498 47 63 87 A pol Times_New_Roman 10
5 1 2 1 1 8 1441 500 43 60 93 L pol Century_Schoolbook_L_Bold 10
5 1 2 1 1 9 1512 499 62 62 90 B. pol Century_Schoolbook_L_Bold 10

`

[jsbien]

Am I correct that this request feature require just a few lines of code? Unfortunately I'm not a programmer. Any kind soul willing to help? I start a new project and this feature would be very useful just now.