I have not hear about these limitations. Now I guess I get it. Thank you for the explanation. I wanted to read the documentation for commands \usetypescriptfile and \usesymbol but it is not available via "Search Wiki" field in our garden. Is it all right? Tomáš Wed, Nov 04, 2020 ve 10:36:21PM +0100 Wolfgang Schuster napsal(a): # Tomas Hala schrieb am 04.11.2020 um 22:28: # >And what else can I use instead of language codes? # > # >It does not work with filenames and synonyms of language names are not permitted, too. # # The source for the wiki pages are the command definitions but there # is only a limited number of arguments for each key. In a case like # this a decision has to be made which argument is used for the # pattern key and since the key loads a file with contains the # argument as part of its name the entry is "patterns=FILE". # # The same is the case for \usetypescriptfile and \usesymbol which # also use FILE for the argument. # # The reason why one uses "en", "agr" etc. as arguments for the # pattern key is that the files use the language codes as part of the # file name. # # Wolfgang