fixed Q-Reg autocompletion for `Q` command

 * StateQueryQReg is now derived from StateExpectQReg
   whose semantics have been changed slightly.
 * The alternative would have been another common base class for both
   StateQueryQReg and StateExpectQReg.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/spawn.cpp b/src/spawn.cpp
index aab97a4..0d6d18a 100644
--- a/src/spawn.cpp
+++ b/src/spawn.cpp
@@ -529,6 +529,8 @@ cleanup:
 State *
 StateEGCommand::got_register(QRegister *reg)
 {
+	machine.reset();
+
 	BEGIN_EXEC(&States::executecommand);
 	undo.push_var(register_argument) = reg;
 	return &States::executecommand;