diff --git a/source.lua b/source.lua
index 1da4467..a4289a0 100644
--- a/source.lua
+++ b/source.lua
@@ -45,7 +45,7 @@ function source.initialize_globals()
     index = 1,
   }
 
-  Menu_status_bar_height = nil  -- initialized below
+  Menu_status_bar_height = 5 + --[[line height in tests]] 15 + 5
 
   -- a few text objects we can avoid recomputing unless the font changes
   Text_cache = {}
diff --git a/source_edit.lua b/source_edit.lua
index 34752d0..c17ce26 100644
--- a/source_edit.lua
+++ b/source_edit.lua
@@ -127,7 +127,10 @@ end
 function edit.draw(State)
   State.button_handlers = {}
   App.color(Text_color)
-  assert(#State.lines == #State.line_cache)
+  if #State.lines ~= #State.line_cache then
+    print(('line_cache is out of date; %d when it should be %d'):format(#State.line_cache, #State.lines))
+    assert(false)
+  end
   if not Text.le1(State.screen_top1, State.cursor1) then
     print(State.screen_top1.line, State.screen_top1.pos, State.screen_top1.posB, State.cursor1.line, State.cursor1.pos, State.cursor1.posB)
     assert(false)
diff --git a/source_tests.lua b/source_tests.lua
index 519c311..0f5135c 100644
--- a/source_tests.lua
+++ b/source_tests.lua
@@ -18,6 +18,22 @@ function test_resize_window()
   -- TODO: how to make assertions about when App.update got past the early exit?
 end
 
+function test_show_log_browser_side()
+  io.write('\ntest_show_log_browser_side')
+  App.screen.init{width=300, height=300}
+  Editor_state = edit.initialize_test_state()
+  Editor_state.filename = 'foo'
+  Text.redraw_all(Editor_state)
+  Log_browser_state = edit.initialize_test_state()
+  Text.redraw_all(Log_browser_state)
+  log_browser.parse(Log_browser_state)
+  check(not Show_log_browser_side, 'F - test_show_log_browser_side/baseline')
+  Current_app = 'source'
+  App.wait_fake_time(0.1)
+  App.run_after_keychord('C-l')
+  check(Show_log_browser_side, 'F - test_show_log_browser_side')
+end
+
 function test_drop_file()
   io.write('\ntest_drop_file')
   App.screen.init{width=Editor_state.left+300, height=300}