Replace $letrec with $rec

[bpt/guile.git] / doc / ref / api-data.texi

diff --git a/doc/ref/api-data.texi b/doc/ref/api-data.texi
index 96f9fd0..3f787b1 100644 (file)
--- a/doc/ref/api-data.texi
+++ b/doc/ref/api-data.texi
@@ -1,7 +1,7 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Guile Reference Manual.
-@c Copyright (C)  1996, 1997, 2000, 2001, 2002, 2003, 2004, 2006, 2007,
-@c   2008, 2009, 2010, 2011, 2012, 2013, 2014  Free Software Foundation, Inc.
+@c Copyright (C)  1996, 1997, 2000-2004, 2006-2014
+@c   Free Software Foundation, Inc.
 @c See the file guile.texi for copying conditions.
 
 @node Simple Data Types
@@ -2335,6 +2335,24 @@ lowercase, and titlecase forms respectively.  The type
 @code{scm_t_wchar} is a signed, 32-bit integer.
 @end deftypefn
 
+Characters also have ``formal names'', which are defined by Unicode.
+These names can be accessed in Guile from the @code{(ice-9 unicode)}
+module:
+
+@example
+(use-modules (ice-9 unicode))
+@end example
+
+@deffn {Scheme Procedure} char->formal-name chr
+Return the formal all-upper-case Unicode name of @var{ch},
+as a string, or @code{#f} if the character has no name.
+@end deffn
+
+@deffn {Scheme Procedure} formal-name->char name
+Return the character whose formal all-upper-case Unicode name is
+@var{name}, or @code{#f} if no such character is known.
+@end deffn
+
 @node Character Sets
 @subsection Character Sets
 
@@ -2985,6 +3003,10 @@ Backspace character (ASCII 8).
 @item @nicode{\0}
 NUL character (ASCII 0).
 
+@item @nicode{\(}
+Open parenthesis.  This is intended for use at the beginning of lines in
+multiline strings to avoid confusing Emacs lisp modes.
+
 @item @nicode{\} followed by newline (ASCII 10)
 Nothing.  This way if @nicode{\} is the last character in a line, the
 string will continue with the first character from the next line,