Improve error message.

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 7569a4ec128d5404b56f656f7137d4c778508388..ee27f8f69d8af43213d6a888e7f8348227cc333b 100644 (file)
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -4363,7 +4363,9 @@ Buffer::ExportStatus Buffer::doExport(string const & target, bool put_in_tempdir
        } else if (!lyxrc.tex_allows_spaces
                   && contains(filePath(), ' ')) {
                Alert::error(_("File name error"),
-                          _("The directory path to the document cannot contain spaces."));
+                       bformat(_("The directory path to the document\n%1$s\n"
+                           "contains spaces, but your TeX installation does "
+                           "not allow them."), from_ascii(filePath())));
                return ExportTexPathHasSpaces;
        } else {
                runparams.nice = false;