1 files changed, 9 insertions, 1 deletions
diff --git a/ledger.cc b/ledger.cc
index b77b8856..d0006d0b 100644
--- a/ledger.cc
+++ b/ledger.cc
@@ -4,7 +4,6 @@
 
 namespace ledger {
 
-bool   use_warnings = false;
 book * main_ledger;
 
 commodity::~commodity()
@@ -251,6 +250,15 @@ mask::mask(const std::string& pat) : exclude(false)
 	      << std::endl;
 }
 
+mask::mask(const mask& m) : exclude(m.exclude), pattern(m.pattern)
+{
+  const char *error;
+  int erroffset;
+  regexp = pcre_compile(pattern.c_str(), PCRE_CASELESS,
+			&error, &erroffset, NULL);
+  assert(regexp);
+}
+
 void read_regexps(const std::string& path, regexps_map& regexps)
 {
   if (access(path.c_str(), R_OK) != -1) {