do not hardcode packages loaded by external insets

[lyx.git] / src / tex2lyx / tex2lyx.cpp

diff --git a/src/tex2lyx/tex2lyx.cpp b/src/tex2lyx/tex2lyx.cpp
index addfe3f8c701676ec60b5dc9b68fc8f542aad525..9a4ca4f4108016ac873d3f1d20464f463d3048dc 100644 (file)
--- a/src/tex2lyx/tex2lyx.cpp
+++ b/src/tex2lyx/tex2lyx.cpp
@@ -355,6 +355,8 @@ void read_command(Parser & p, string command, CommandMap & commands)
                        string const arg = p.getArg('{', '}');
                        if (arg == "translate")
                                arguments.push_back(required);
+                       else if (arg == "group")
+                               arguments.push_back(req_group);
                        else if (arg == "item")
                                arguments.push_back(item);
                        else if (arg == "displaymath")
@@ -362,8 +364,11 @@ void read_command(Parser & p, string command, CommandMap & commands)
                        else
                                arguments.push_back(verbatim);
                } else {
-                       p.getArg('[', ']');
-                       arguments.push_back(optional);
+                       string const arg = p.getArg('[', ']');
+                       if (arg == "group")
+                               arguments.push_back(opt_group);
+                       else
+                               arguments.push_back(optional);
                }
        }
        commands[command] = arguments;
@@ -680,7 +685,7 @@ bool tex2lyx(idocstream & is, ostream & os, string encoding)
                for (; it != end; it++)
                        preamble.addModule(*it);
        }
-       if (!preamble.writeLyXHeader(os)) {
+       if (!preamble.writeLyXHeader(os, !active_environments.empty())) {
                cerr << "Could write LyX file header." << endl;
                return false;
        }