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; More accurate text about how equal compares various objects

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* doc/lispref/objects.texi (Equality Predicates):
Attempt at improving the text further (bug#72888).
This commit is contained in:
Mattias Engdegård 2024-08-31 18:39:46 +02:00
parent 5fd75133cf
commit 2ca7d5649c
1 changed files with 6 additions and 4 deletions
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doc/lispref/objects.texi
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@ -2413,10 +2413,12 @@ the converse is not always true.
@end group
@end example
The @code{equal} function recursively compares the contents of objects
if they are integers, strings, markers, lists, cons cells, vectors,
bool-vectors, byte-code function objects, char-tables, records, or font
objects.
The @code{equal} function compares strings and bool-vectors by value.
Numbers are compared by type and numeric value, using @code{eql}.
Lists, cons cells, vectors, records, markers, char-tables, font objects,
and function objects (closures)@footnote{However, equality of distinct
function objects cannot be guaranteed in general.} are compared
recursively by using @code{equal} on their constituent parts.
Comparison of strings is case-sensitive, but does not take account of
text properties---it compares only the characters in the strings.