old_contents: """
  Inset map showing a rectangular region
  --------------------------------------
  
  The :meth:`pygmt.Figure.inset` method adds an inset figure inside a larger
  figure. The function is called using a ``with`` statement, and its position,
  box, offset, and margin can be customized. Plotting methods called within the
  ``with`` statement plot into the inset figure.
  """
  
  import pygmt
  
  # Set the region of the main figure
  region = [137.5, 141, 34, 37]
  
  fig = pygmt.Figure()
  
  # Plot the base map of the main figure. Universal Transverse Mercator (UTM) projection
  # is used and the UTM zone is set to be "54S".
  fig.basemap(region=region, projection="U54S/12c", frame=["WSne", "af"])
  
  # Set the land color to "lightbrown", the water color to "azure1", the shoreline
  # width to "2p", and the area threshold to 1000 km^2 for the main figure
  fig.coast(land="lightbrown", water="azure1", shorelines="2p", area_thresh=1000)
  
  # Create an inset map, setting the position to bottom right, the width to
  # 3 cm, the height to 3.6 cm, and the x- and y-offsets to
  # 0.1 cm, respectively. Draws a rectangular box around the inset with a fill color
  # of "white" and a pen of "1p".
  with fig.inset(position="jBR+w3c/3.6c+o0.1c", box="+gwhite+p1p"):
      # Plot the Japan main land in the inset using coast. "U54S/M?" means UTM
      # projection with map width automatically determined from the inset width.
      # Highlight the Japan area in "lightbrown"
      # and draw its outline with a pen of "0.2p".
      fig.coast(
          region=[129, 146, 30, 46],
          projection="U54S/?",
          dcw="JP+glightbrown+p0.2p",
          area_thresh=10000,
      )
      # Plot a rectangle ("r") in the inset map to show the area of the main figure.
      # "+s" means that the first two columns are the longitude and latitude of
      # the bottom left corner of the rectangle, and the last two columns the
      # longitude and latitude of the uppper right corner.
      rectangle = [[region[0], region[2], region[1], region[3]]]
      fig.plot(data=rectangle, style="r+s", pen="2p,blue")
  
  fig.show()
  
new_contents: """
  Inset map showing a rectangular region
  --------------------------------------
  
  The :meth:`pygmt.Figure.inset` method adds an inset figure inside a larger
  figure. The function is called using a ``with`` statement, and its position,
  box, offset, and margin can be customized. Plotting methods called within the
  ``with`` statement plot into the inset figure.
  """
  
  import pygmt
  
  # Set the region of the main figure
  region = [137.5, 141, 34, 37]
  
  fig = pygmt.Figure()
  
  # Plot the base map of the main figure. Universal Transverse Mercator (UTM) projection
  # is used and the UTM zone is set to be "54S".
  fig.basemap(region=region, projection="U54S/12c", frame=["WSne", "af"])
  
  # Set the land color to "lightbrown", the water color to "azure1", the shoreline
  # width to "2p", and the area threshold to 1000 km^2 for the main figure
  fig.coast(land="lightbrown", water="azure1", shorelines="2p", area_thresh=1000)
  
  # Create an inset map, setting the position to bottom right, the width to
  # 3 cm, the height to 3.6 cm, and the x- and y-offsets to
  # 0.1 cm, respectively. Draws a rectangular box around the inset with a fill color
  # of "white" and a pen of "1p".
  with fig.inset(position="jBR+w3c/3.6c+o0.1c", box="+gwhite+p1p"):
      # Plot the Japan main land in the inset using coast. "U54S/?" means UTM
      # projection with map width automatically determined from the inset width.
      # Highlight the Japan area in "lightbrown"
      # and draw its outline with a pen of "0.2p".
      fig.coast(
          region=[129, 146, 30, 46],
          projection="U54S/?",
          dcw="JP+glightbrown+p0.2p",
          area_thresh=10000,
      )
      # Plot a rectangle ("r") in the inset map to show the area of the main figure.
      # "+s" means that the first two columns are the longitude and latitude of
      # the bottom left corner of the rectangle, and the last two columns the
      # longitude and latitude of the uppper right corner.
      rectangle = [[region[0], region[2], region[1], region[3]]]
      fig.plot(data=rectangle, style="r+s", pen="2p,blue")
  
  fig.show()
  
subject: Fix a typo in the example inset_rectangle_region.py (#1066)