synced to 1.2

diff --git a/ginac/expairseq.cpp b/ginac/expairseq.cpp
index 041994af27892fc20f9669d177f450a0192c44c3..d4dd3df14613555b53917a5724b17f075d004c93 100644 (file)
--- a/ginac/expairseq.cpp
+++ b/ginac/expairseq.cpp
@@ -150,7 +150,11 @@ expairseq::expairseq(const archive_node &n, lst &sym_lst) : inherited(n, sym_lst
 #if EXPAIRSEQ_USE_HASHTAB
        , hashtabsize(0)
 #endif
+
 {
+
+       canonicalize();
+       GINAC_ASSERT(is_canonical());
        for (unsigned int i=0; true; i++) {
                ex rest;
                ex coeff;