DCTMAIN system variable
Function Description:
The DCTMAIN system variable is used to display the three letter keyword for the current main spelling dictionary.
Type : Strings 
Saved in : Registry 
Initial value : Varies by country/region
Range : 0,1,2,4
System Variable Value:
Keyword       Language name 
  enu                American English 
  eng                British English (ise) 
  enc                Canadian English 
  cat                 Catalan 
  csy                 Czech 
  dan                Danish 
  nld                 Dutch (primary) 
  fin                  Finnish 
  fra                  French (accented capitals) 
  frc                  French (unaccented capitals) 
  deu                German (post-reform) 
  deo                German (pre-reform) 
  ita                   Italian 
  nor                 Norwegian (Bokmal) 
  ptb                 Portuguese (Brazilian) 
  ptg                 Portuguese (Iberian) 
  rus                 Russian 
  esp                 Spanish 
  sve                 Swedish