gh-131885: Update unicodedata function signatures to use / (#140270)

Author: StanFromIreland

Doc/library/unicodedata.rst

@@ -31,7 +31,7 @@ following functions:
    this module.
 
 
-.. function:: lookup(name)
+.. function:: lookup(name, /)
 
    Look up character by name.  If a character with the given name is found, return
    the corresponding character.  If not found, :exc:`KeyError` is raised.
@@ -94,7 +94,7 @@ following functions:
       0.5
 
 
-.. function:: category(chr)
+.. function:: category(chr, /)
 
    Returns the general category assigned to the character *chr* as
    string. General category names consist of two letters.
@@ -106,7 +106,7 @@ following functions:
       'Lu'
 
 
-.. function:: bidirectional(chr)
+.. function:: bidirectional(chr, /)
 
    Returns the bidirectional class assigned to the character *chr* as
    string. If no such value is defined, an empty string is returned.
@@ -118,7 +118,7 @@ following functions:
       'AN'
 
 
-.. function:: combining(chr)
+.. function:: combining(chr, /)
 
    Returns the canonical combining class assigned to the character *chr*
    as integer. Returns ``0`` if no combining class is defined.
@@ -127,14 +127,14 @@ following functions:
    for more information.
 
 
-.. function:: east_asian_width(chr)
+.. function:: east_asian_width(chr, /)
 
    Returns the east asian width assigned to the character *chr* as
    string. For a list of widths and or more information, see the
    `Unicode Standard Annex #11 <https://www.unicode.org/reports/tr11/>`_.
 
 
-.. function:: mirrored(chr)
+.. function:: mirrored(chr, /)
 
    Returns the mirrored property assigned to the character *chr* as
    integer. Returns ``1`` if the character has been identified as a "mirrored"
@@ -174,7 +174,7 @@ following functions:
    .. versionadded:: next
 
 
-.. function:: decomposition(chr)
+.. function:: decomposition(chr, /)
 
    Returns the character decomposition mapping assigned to the character
    *chr* as string. An empty string is returned in case no such mapping is
@@ -184,7 +184,7 @@ following functions:
       '0041 0303'
 
 
-.. function:: normalize(form, unistr)
+.. function:: normalize(form, unistr, /)
 
    Return the normal form *form* for the Unicode string *unistr*. Valid values for
    *form* are 'NFC', 'NFKC', 'NFD', and 'NFKD'.
@@ -217,7 +217,7 @@ following functions:
    doesn't, they may not compare equal.
 
 
-.. function:: is_normalized(form, unistr)
+.. function:: is_normalized(form, unistr, /)
 
    Return whether the Unicode string *unistr* is in the normal form *form*. Valid
    values for *form* are 'NFC', 'NFKC', 'NFD', and 'NFKD'.