- Language const * previous_language = previous_
- ? previous_->getParLanguage(bparams) : doc_language;
- if (language->babel() != doc_language->babel() &&
- language->babel() != previous_language->babel()) {
- os << subst(lyxrc.language_command_begin, "$$lang",
- language->babel())
- << endl;
- texrow.newline();
+ Language const * previous_language = previous()
+ ? previous()->getParLanguage(bparams) : doc_language;
+
+ if (language->babel() != previous_language->babel()
+ // check if we already put language command in TeXEnvironment()
+ && !(style.isEnvironment()
+ && (!previous() || previous()->layout != layout ||
+ previous()->params().depth() != params().depth())))
+ {
+ if (!lyxrc.language_command_end.empty() &&
+ previous_language->babel() != doc_language->babel())
+ {
+ os << subst(lyxrc.language_command_end, "$$lang",
+ previous_language->babel())
+ << endl;
+ texrow.newline();
+ }
+
+ if (lyxrc.language_command_end.empty() ||
+ language->babel() != doc_language->babel())
+ {
+ os << subst(lyxrc.language_command_begin, "$$lang",
+ language->babel())
+ << endl;
+ texrow.newline();
+ }