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-rw-r--r--modules/textadept/mlines.lua2
1 files changed, 2 insertions, 0 deletions
diff --git a/modules/textadept/mlines.lua b/modules/textadept/mlines.lua
index 512834de..48059a64 100644
--- a/modules/textadept/mlines.lua
+++ b/modules/textadept/mlines.lua
@@ -106,6 +106,7 @@ function update()
local buffer = buffer
local curr_line = buffer:line_from_position(buffer.current_pos)
local curr_col = buffer.column[buffer.current_pos]
+ buffer:begin_undo_action()
if mlines[curr_line] then
local s = buffer:find_column( curr_line, mlines[curr_line].start_col )
local e = buffer:find_column(curr_line, curr_col)
@@ -131,4 +132,5 @@ function update()
end
mlines[curr_line].start_col = curr_col
end
+ buffer:end_undo_action()
end