avoid keeping end of lines selected in Editor::erase

src/editor.cc

@@ -21,8 +21,11 @@ Editor::Editor(Buffer& buffer)
 void Editor::erase()
 {
     scoped_edition edition(*this);
-    for (auto& sel : selections())
+    for (auto& sel : m_selections.back())
+    {
         m_buffer.erase(sel.begin(), sel.end());
+        sel.avoid_eol();
+    }
 }
 
 template<bool append>

src/selection.cc

@@ -54,6 +54,12 @@ void Selection::merge_with(const Selection& selection)
     m_last = selection.m_last;
 }
 
+void Selection::avoid_eol()
+{
+    m_first.clamp(true);
+    m_last.clamp(true);
+}
+
 void Selection::on_insert(const BufferIterator& begin, const BufferIterator& end)
 {
     m_first.on_insert(begin.coord(), end.coord());

src/selection.hh

@@ -29,6 +29,7 @@ struct Selection : public BufferChangeListener
     const BufferIterator& last()  const { return m_last; }
 
     void merge_with(const Selection& selection);
+    void avoid_eol();
 
     void on_insert(const BufferIterator& begin, const BufferIterator& end);
     void on_erase(const BufferIterator& begin, const BufferIterator& end);