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Richard M. Stallman 1994-04-17 23:15:41 +00:00
parent 5a0fd72f90
commit 2778c642f8
1 changed files with 7 additions and 6 deletions
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13
lispref/strings.texi
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@ -743,12 +743,13 @@ equivalence class (of characters with the same canonical equivalent).
@samp{A} into @samp{a}, and likewise for each set of equivalent
characters.)
When you construct a case table, you can provide @code{nil} for both
@var{canonicalize} and @var{equivalences}. When you specify the case
table for use, Emacs fills in these strings, computing them from
@var{upcase} and @var{downcase}. In a case table that is actually in
use, those components are non-@code{nil}. Do not try to make just one
of these components @code{nil}; that is not meaningful.
When you construct a case table, you can provide @code{nil} for
@var{canonicalize}; then Emacs fills in this string from @var{upcase}
and @var{downcase}. You can also provide @code{nil} for
@var{equivalences}; then Emacs fills in this string from
@var{canonicalize}. In a case table that is actually in use, those
components are non-@code{nil}. Do not try to specify @var{equivalences}
without also specifying @var{canonicalize}.
Each buffer has a case table. Emacs also has a @dfn{standard case
table} which is copied into each buffer when you create the buffer.