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Co-authored-by: Stan Ulbrych <[email protected]>

Author: vstinner

Doc/c-api/unicode.rst

@@ -312,9 +312,9 @@ These APIs can be used for fast direct character conversions:
    Convert *str* characters to lower case, store result in *buffer*, which should be
    able to hold as many characters needed for *str* to be lower cased, and
    return the number of characters stored. If at some point a buffer overflow
-   is detected, an :exc:`ValueError` is raised and ``-1`` is returned.
+   is detected, a :exc:`ValueError` is raised and ``-1`` is returned.
 
-   *str_size*, *buf_size* and the result are number of UCS-4 characters.
+   *str_size*, *buf_size* and the result are the number of UCS-4 characters.
 
    In Unicode 16.0, any character can be lowercased into a buffer of *buf_size* ``2``.
    See also :c:macro:`PyUCS4_CASE_CONVERSION_BUFFER_SIZE`.
@@ -327,7 +327,7 @@ These APIs can be used for fast direct character conversions:
    Convert *str* characters to upper case, store result in *buffer*, which should be
    able to hold as many characters needed for *str* to be upper cased, and
    return the number of characters stored. If at some point a buffer overflow
-   is detected, an :exc:`ValueError` is raised and ``-1`` is returned.
+   is detected, a :exc:`ValueError` is raised and ``-1`` is returned.
 
    *str_size*, *buf_size* and the result are number of UCS-4 characters.
 
@@ -342,7 +342,7 @@ These APIs can be used for fast direct character conversions:
    Convert *str* characters to title case, store result in *buffer*, which should be
    able to hold as many characters needed for *str* to be title cased, and
    return the number of characters stored. If at some point a buffer overflow
-   is detected, an :exc:`ValueError` is raised and ``-1`` is returned.
+   is detected, a :exc:`ValueError` is raised and ``-1`` is returned.
 
    *str_size*, *buf_size* and the result are number of UCS-4 characters.
 
@@ -357,7 +357,7 @@ These APIs can be used for fast direct character conversions:
    Foldcase *str* characters, store result in *buffer*, which should be
    able to hold as many characters needed for *str* to be foldcased, and
    return the number of characters stored. If at some point a buffer overflow
-   is detected, an :exc:`ValueError` is raised and ``-1`` is returned.
+   is detected, a :exc:`ValueError` is raised and ``-1`` is returned.
 
    *str_size*, *buf_size* and the result are number of UCS-4 characters.
 
@@ -366,6 +366,7 @@ These APIs can be used for fast direct character conversions:
 
    .. versionadded:: next
 
+
 .. c:macro:: PyUCS4_CASE_CONVERSION_BUFFER_SIZE
 
    The minimum buffer size needed for any call to :c:func:`PyUCS4_ToLower`,