Add missing paramters to docstrings

docs/reference/TiffTags.rst

@@ -10,6 +10,10 @@ metadata tag numbers, names, and type information.
 .. method:: lookup(tag)
 
     :param tag: Integer tag number
+    :param group: Which :py:data:`~PIL.TiffTags.TAGS_V2_GROUPS` to look in
+
+    .. versionadded:: 8.3.0
+
     :returns: Taginfo namedtuple, From the :py:data:`~PIL.TiffTags.TAGS_V2` info if possible,
         otherwise just populating the value and name from :py:data:`~PIL.TiffTags.TAGS`.
         If the tag is not recognized, "unknown" is returned for the name
@@ -42,6 +46,16 @@ metadata tag numbers, names, and type information.
 
 .. versionadded:: 3.0.0
 
+.. py:data:: PIL.TiffTags.TAGS_V2_GROUPS
+    :type: dict
+
+    :py:data:`~PIL.TiffTags.TAGS_V2` is one dimensional and
+    doesn't account for the fact that tags actually exist in
+    `different groups <https://exiftool.org/TagNames/EXIF.html>`_.
+    This dictionary is used when the tag in question is part of a group.
+
+.. versionadded:: 8.3.0
+
 .. py:data:: PIL.TiffTags.TAGS
     :type: dict
 

src/PIL/GdImageFile.py

@@ -75,7 +75,7 @@ def open(fp, mode="r"):
     """
     Load texture from a GD image file.
 
-    :param filename: GD file name, or an opened file handle.
+    :param fp: GD file name, or an opened file handle.
     :param mode: Optional mode.  In this version, if the mode argument
         is given, it must be "r".
     :returns: An image instance.

src/PIL/ImageChops.py

@@ -316,6 +316,7 @@ def offset(image, xoffset, yoffset=None):
     distances. Data wraps around the edges. If ``yoffset`` is omitted, it
     is assumed to be equal to ``xoffset``.
 
+    :param image: Input image.
     :param xoffset: The horizontal distance.
     :param yoffset: The vertical distance.  If omitted, both
         distances are set to the same value.

src/PIL/ImageColor.py

@@ -121,12 +121,13 @@ def getrgb(color):
 def getcolor(color, mode):
     """
     Same as :py:func:`~PIL.ImageColor.getrgb`, but converts the RGB value to a
-    greyscale value if the mode is not color or a palette image. If the string
+    greyscale value if ``mode`` is not color or a palette image. If the string
     cannot be parsed, this function raises a :py:exc:`ValueError` exception.
 
     .. versionadded:: 1.1.4
 
     :param color: A color string
+    :param mode: Convert result to this mode
     :return: ``(graylevel [, alpha]) or (red, green, blue[, alpha])``
     """
     # same as getrgb, but converts the result to the given mode

src/PIL/ImageFont.py

@@ -634,6 +634,7 @@ class FreeTypeFont:
         should have mode ``RGBA``. Otherwise, it should have mode ``1``.
 
         :param text: Text to render.
+        :param fill: A fill function.
         :param mode: Used by some graphics drivers to indicate what mode the
                      driver prefers; if empty, the renderer may return either
                      mode. Note that the mode is always a string, to simplify

src/PIL/ImageTk.py

@@ -184,6 +184,7 @@ class PhotoImage:
         :param im: A PIL image. The size must match the target region.  If the
                    mode does not match, the image is converted to the mode of
                    the bitmap image.
+        :param box: Deprecated.
         """
 
         if box is not None:

src/PIL/TiffTags.py

@@ -36,8 +36,12 @@ class TagInfo(namedtuple("_TagInfo", "value name type length enum")):
 def lookup(tag, group=None):
     """
     :param tag: Integer tag number
-    :returns: Taginfo namedtuple, From the TAGS_V2 info if possible,
-        otherwise just populating the value and name from TAGS.
+    :param group: Which :py:data:`~PIL.TiffTags.TAGS_V2_GROUPS` to look in
+
+    .. versionadded:: 8.3.0
+
+    :returns: Taginfo namedtuple, From the ``TAGS_V2`` info if possible,
+        otherwise just populating the value and name from ``TAGS``.
         If the tag is not recognized, "unknown" is returned for the name
 
     """