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check if no modification were made in Buffer::end_undo_group

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Maxime Coste 2012-06-04 14:12:37 +00:00
parent 589aad5f9c
commit a7c33207d6
1 changed files with 3 additions and 0 deletions
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3
src/buffer.cc
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@ -145,6 +145,9 @@ void Buffer::begin_undo_group()
void Buffer::end_undo_group() void Buffer::end_undo_group()
{ {
if (m_current_undo_group.empty())
return;
m_history.push_back(m_current_undo_group); m_history.push_back(m_current_undo_group);
m_history_cursor = m_history.end(); m_history_cursor = m_history.end();