DOC: Make usage of "lowercase" and "uppercase" consistent across all docs (#3756)

Author: michaelgrund

doc/techref/patterns.md

@@ -11,7 +11,7 @@ image raster file. The former will result in one of the 90 predefined 64x64 bit-
 provided by GMT (see the figure below). The latter allows the user to create customized,
 repeating images using image raster files.
 
-By specifying upper case **P** instead of **p** the image will be bit-reversed, i.e.,
+By specifying uppercase **P** instead of **p** the image will be bit-reversed, i.e.,
 white and black areas will be interchanged (only applies to 1-bit images or predefined
 bit-image patterns). For these patterns and other 1-bit images one may specify
 alternative **b**ackground and **f**oreground colors (by appending **+b**_color_ and/or

examples/gallery/basemaps/double_y_axes.py

@@ -5,7 +5,7 @@
 The ``frame`` parameter of the plotting methods of the :class:`pygmt.Figure`
 class can control which axes should be plotted and optionally show annotations,
 tick marks, and gridlines. By default, all 4 axes are plotted, along with
-annotations and tick marks (denoted **W**, **S**, **E**, **N**). Lower case
+annotations and tick marks (denoted **W**, **S**, **E**, **N**). Lowercase
 versions (**w**, **s**, **e**, **n**) can be used to denote to only plot the
 axes with tick marks. We can also only plot the axes without annotations and
 tick marks using **l** (left axis), **r** (right axis), **t** (top axis),

examples/gallery/embellishments/scalebar.py

@@ -12,8 +12,9 @@
    - **g**: Give map coordinates as *longitude*\/\ *latitude*.
    - **j**\|\ **J**: Specify a two-character (order independent) code.
      Choose from vertical **T**\(op), **M**\(iddle), or **B**\(ottom) and
-     horizontal **L**\(eft), **C**\(entre), or **R**\(ight). Lower / upper
-     case **j** / **J** mean inside / outside of the map bounding box.
+     horizontal **L**\(eft), **C**\(entre), or **R**\(ight). Lower /
+     uppercase **j** / **J** mean inside / outside of the map bounding
+     box.
    - **n**: Give normalized bounding box coordinates as *nx*\/\ *ny*.
    - **x**: Give plot coordinates as *x*\/\ *y*.
 

examples/gallery/images/cross_section.py

@@ -37,7 +37,7 @@
 
 # Add a colorbar for the elevation
 fig.colorbar(
-    # Place the colorbar inside the plot (lower-case "j") in the Bottom Right (BR)
+    # Place the colorbar inside the plot (lowercase "j") in the Bottom Right (BR)
     # corner with an offset ("+o") of 0.7 centimeters and 0.3 centimeters in x or y
     # directions, respectively; move the x label above the horizontal colorbar ("+ml")
     position="jBR+o0.7c/0.8c+h+w5c/0.3c+ml",

examples/gallery/lines/decorated_lines.py

@@ -51,7 +51,7 @@
     "~d1c:+sd0.5c+gtan+p1p,black+n-0.2c/0.1c",
     # Give the number of equally spaced symbols by using "n" instead of "d"
     "~n6:+sn0.5c+gtan+p1p,black",
-    # Use upper-case "N" to have symbols at the start and end of the line
+    # Use uppercase "N" to have symbols at the start and end of the line
     "~N6:+sh0.5c+gtan+p1p,black",
     # Suppress the main decorated line by appending "+i"
     "~d1c:+sg0.5c+gtan+p1p,black+i",

examples/gallery/lines/quoted_lines.py

@@ -33,7 +33,7 @@
     "qd1c:+ltext+i",
     # Give the number of equally spaced labels by using "n" instead of "d"
     "qn5:+ltext",
-    # Use upper-case "N" to have labels at the start and end of the line
+    # Use uppercase "N" to have labels at the start and end of the line
     "qN5:+ltext",
     # To only plot a label at the start of the line use "N-1"
     "qN-1:+ltext",

examples/gallery/symbols/multi_parameter_symbols.py

@@ -33,7 +33,7 @@
 #   directions given in degrees counter-clockwise from horizontal. Append **+i** and the
 #   desired value to apply an inner diameter.
 #
-# Upper-case versions **E**, **J**, and **W** are similar to **e**, **j**, and **w**
+# Uppercase versions **E**, **J**, and **W** are similar to **e**, **j**, and **w**
 # but expect geographic azimuths and distances.
 
 fig = pygmt.Figure()

examples/projections/cyl/cyl_oblique_mercator.py

@@ -9,7 +9,7 @@
 
 The projection is set with **o** or **O**. There are three different specification
 ways (**a**\|\ **A**, **b**\|\ **B**, **c**\|\ **C**) available. For all three
-definitions, the upper case letter mean the projection pole is set in the southern
+definitions, the uppercase letter mean the projection pole is set in the southern
 hemisphere [Default is northern hemisphere]. Align the y-axis with the optional
 modifier **+v**. The figure size is set with *scale* or *width*.
 """

examples/projections/nongeo/cartesian_linear.py

@@ -4,7 +4,7 @@
 
 **X**\ *width*\ [/*height*] or **x**\ *x-scale*\ [/*y-scale*]
 
-Give the *width* of the figure and the optional *height*. The lower-case version
+Give the *width* of the figure and the optional *height*. The lowercase version
 **x** is similar to **X** but expects an *x-scale* and an optional *y-scale*.
 
 The Cartesian linear projection is primarily designed for regular floating point

examples/projections/nongeo/cartesian_logarithmic.py

@@ -6,7 +6,7 @@
 **x**\ *x-scale*\ [**l**][/*y-scale*\ [**l**]]
 
 Give the *width* of the figure and the optional *height*.
-The lower-case version **x** is similar to **X** but expects
+The lowercase version **x** is similar to **X** but expects
 an *x-scale* and an optional *y-scale*.
 Each axis with a logarithmic transformation requires **l** after
 its size argument.