Review

Author: StanFromIreland

Doc/c-api/conversion.rst

@@ -167,43 +167,53 @@ The following functions provide locale-independent string to number conversions.
 Character classification and conversion
 =======================================
 
-The following macros provide locale-independent character classification and
-conversion. The argument must be a signed or unsigned :c:expr:`char`.
+The following macros provide locale-independent (unlike the C standard library
+``ctype.h``) character classification and conversion.
+The argument must be a signed or unsigned :c:expr:`char`.
+
 
 .. c:macro:: Py_ISALNUM(c)
 
    Return true if the character *c* is an alphanumeric character.
 
+
 .. c:macro:: Py_ISALPHA(c)
 
    Return true if the character *c* is an alphabetic character (``a-z`` and ``A-Z``).
 
+
 .. c:macro:: Py_ISDIGIT(c)
 
    Return true if the character *c* is a decimal digit (``0-9``).
 
+
 .. c:macro:: Py_ISLOWER(c)
 
    Return true if the character *c* is a lowercase ASCII letter (``a-z``).
 
+
 .. c:macro:: Py_ISUPPER(c)
 
    Return true if the character *c* is an uppercase ASCII letter (``A-Z``).
 
+
 .. c:macro:: Py_ISSPACE(c)
 
    Return true if the character *c* is a whitespace character (space, tab,
    carriage return, newline, vertical tab, or form feed).
 
+
 .. c:macro:: Py_ISXDIGIT(c)
 
    Return true if the character *c* is a hexadecimal digit (``0-9``, ``a-f``, and
    ``A-F``).
 
+
 .. c:macro:: Py_TOLOWER(c)
 
    Return the lowercase equivalent of the character *c*.
 
+
 .. c:macro:: Py_TOUPPER(c)
 
    Return the uppercase equivalent of the character *c*.