Usage:
  /usr/bin/combine_lang_model [OPTION ...]

  --debug_level  Level of Trainer debugging  (type:int default:0)
  --load_images  Load images with tr files  (type:int default:0)
  --clusterconfig_min_samples_fraction  Min number of samples per proto as % of total  (type:double default:0.625)
  --clusterconfig_max_illegal  Max percentage of samples in a cluster which have more than 1 feature in that cluster  (type:double default:0.05)
  --clusterconfig_independence  Desired independence between dimensions  (type:double default:1)
  --clusterconfig_confidence  Desired confidence in prototypes created  (type:double default:1e-06)
  --lang_is_rtl  True if lang being processed is written right-to-left  (type:bool default:false)
  --pass_through_recoder  If true, the recoder is a simple pass-through of the unicharset. Otherwise, potentially a compression of it  (type:bool default:false)
  --configfile  File to load more configs from  (type:string default:)
  --D  Directory to write output files to  (type:string default:)
  --F  File listing font properties  (type:string default:font_properties)
  --X  File listing font xheights  (type:string default:)
  --U  File to load unicharset from  (type:string default:unicharset)
  --O  File to write unicharset to  (type:string default:)
  --output_trainer  File to write trainer to  (type:string default:)
  --test_ch  UTF8 test character string  (type:string default:)
  --fonts_dir    (type:string default:)
  --fontconfig_tmpdir    (type:string default:)
  --input_unicharset  Filename with unicharset to complete and use in encoding  (type:string default:)
  --script_dir  Directory name for input script unicharsets  (type:string default:)
  --words  File listing words to use for the system dictionary  (type:string default:)
  --puncs  File listing punctuation patterns  (type:string default:)
  --numbers  File listing number patterns  (type:string default:)
  --output_dir  Root directory for output files  (type:string default:)
  --version_str  Version string to add to traineddata file  (type:string default:)
  --lang  Name of language being processed  (type:string default:)