Extract variable and add comment in selection change recording

No functional change.

1 files changed, 5 insertions, 3 deletions

diff --git a/src/context.cc b/src/context.cc
index 2afa278a..568142c6 100644
--- a/src/context.cc
+++ b/src/context.cc
@@ -204,9 +204,11 @@ void Context::SelectionHistory::end_edition()
 
     if (m_history_id != HistoryId::Invalid and current_history_node().selections == m_staging->selections)
     {
-        auto& sels = m_history[(size_t)m_history_id].selections;
-        sels.force_timestamp(m_staging->selections.timestamp());
-        sels.set_main_index(m_staging->selections.main_index());
+        // No change, except maybe the index of the main selection.
+        // Update timestamp to potentially improve interaction with content undo.
+        auto& node = current_history_node();
+        node.selections.force_timestamp(m_staging->selections.timestamp());
+        node.selections.set_main_index(m_staging->selections.main_index());
     }
     else
     {