*** empty log message ***

[gnu-emacs] / lispref / streams.texi

diff --git a/lispref/streams.texi b/lispref/streams.texi
index 74f9e43e92c54634c285d4b95cf1a16a77b45000..09f8695cd25a11a607033f89ca633dd08bb6ffbb 100644 (file)
--- a/lispref/streams.texi
+++ b/lispref/streams.texi
@@ -1,7 +1,7 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
 @c Copyright (C) 1990, 1991, 1992, 1993, 1994, 1998, 1999
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
 @c Copyright (C) 1990, 1991, 1992, 1993, 1994, 1998, 1999

-@c   Free Software Foundation, Inc. 
+@c   Free Software Foundation, Inc.

 @c See the file elisp.texi for copying conditions.
 @setfilename ../info/streams
 @node Read and Print, Minibuffers, Debugging, Top
 @c See the file elisp.texi for copying conditions.
 @setfilename ../info/streams
 @node Read and Print, Minibuffers, Debugging, Top


@@ -338,6 +338,7 @@ For example:
 @defvar standard-input
 This variable holds the default input stream---the stream that
 @code{read} uses when the @var{stream} argument is @code{nil}.
 @defvar standard-input
 This variable holds the default input stream---the stream that
 @code{read} uses when the @var{stream} argument is @code{nil}.

+The default is @code{t}, meaning use the minibuffer.

 @end defvar
 
 @node Output Streams
 @end defvar
 
 @node Output Streams


@@ -361,7 +362,9 @@ The output characters are inserted into the buffer that @var{marker}
 points into, at the marker position.  The marker position advances as
 characters are inserted.  The value of point in the buffer has no effect
 on printing when the stream is a marker, and this kind of printing
 points into, at the marker position.  The marker position advances as
 characters are inserted.  The value of point in the buffer has no effect
 on printing when the stream is a marker, and this kind of printing

-does not move point.
+does not move point (except that if the marker points at or before the
+position of point, point advances with the surrounding text, as
+usual).

 
 @item @var{function}
 @cindex function output stream
 
 @item @var{function}
 @cindex function output stream


@@ -489,7 +492,7 @@ in reverse order.
 
 @group
 last-output
 
 @group
 last-output

-     @result{} (10 34 116 117 112 116 117 111 32 101 104 
+     @result{} (10 34 116 117 112 116 117 111 32 101 104

     116 32 115 105 32 115 105 104 84 34 10)
 @end group
 @end example
     116 32 115 105 32 115 105 104 84 34 10)
 @end group
 @end example


@@ -566,13 +569,12 @@ characters are used.  @code{print} returns @var{object}.  For example:
 (progn (print 'The\ cat\ in)
        (print "the hat")
        (print " came back"))
 (progn (print 'The\ cat\ in)
        (print "the hat")
        (print " came back"))

-     @print{} 
+     @print{}

      @print{} The\ cat\ in
      @print{} The\ cat\ in

-     @print{} 
+     @print{}

      @print{} "the hat"
      @print{} "the hat"

-     @print{} 
+     @print{}

      @print{} " came back"
      @print{} " came back"

-     @print{} 

      @result{} " came back"
 @end group
 @end example
      @result{} " came back"
 @end group
 @end example


@@ -586,8 +588,8 @@ This function outputs the printed representation of @var{object} to
 
 @example
 @group
 
 @example
 @group

-(progn (prin1 'The\ cat\ in) 
-       (prin1 "the hat") 
+(progn (prin1 'The\ cat\ in)
+       (prin1 "the hat")

        (prin1 " came back"))
      @print{} The\ cat\ in"the hat"" came back"
      @result{} " came back"
        (prin1 " came back"))
      @print{} The\ cat\ in"the hat"" came back"
      @result{} " came back"


@@ -657,7 +659,7 @@ characters in the output.  (This argument is supported in Emacs versions
 @end group
 @end example
 
 @end group
 @end example
 

-See @code{format}, in @ref{String Conversion}, for other ways to obtain
+See @code{format}, in @ref{Formatting Strings}, for other ways to obtain

 the printed representation of a Lisp object as a string.
 @end defun
 
 the printed representation of a Lisp object as a string.
 @end defun
 


@@ -683,6 +685,14 @@ returns @code{"The buffer is foo"}.
 @defvar standard-output
 The value of this variable is the default output stream---the stream
 that print functions use when the @var{stream} argument is @code{nil}.
 @defvar standard-output
 The value of this variable is the default output stream---the stream
 that print functions use when the @var{stream} argument is @code{nil}.

+The default is @code{t}, meaning display in the echo area.
+@end defvar
+
+@defvar print-quoted
+If this is non-@code{nil}, that means to print quoted forms using
+abbreviated reader syntax.  @code{(quote foo)} prints as @code{'foo},
+@code{(function foo)} as @code{#'foo}, and backquoted forms print
+using modern backquote syntax.

 @end defvar
 
 @defvar print-escape-newlines
 @end defvar
 
 @defvar print-escape-newlines


@@ -721,24 +731,24 @@ In the second expression, the local binding of
 @end defvar
 
 @defvar print-escape-nonascii
 @end defvar
 
 @defvar print-escape-nonascii

-If this variable is non-@code{nil}, then unibyte non-@sc{ascii}
+If this variable is non-@code{nil}, then unibyte non-@acronym{ASCII}

 characters in strings are unconditionally printed as backslash sequences
 by the print functions @code{prin1} and @code{print} that print with
 quoting.
 
 characters in strings are unconditionally printed as backslash sequences
 by the print functions @code{prin1} and @code{print} that print with
 quoting.
 

-Those functions also use backslash sequences for unibyte non-@sc{ascii}
+Those functions also use backslash sequences for unibyte non-@acronym{ASCII}

 characters, regardless of the value of this variable, when the output
 stream is a multibyte buffer or a marker pointing into one.
 @end defvar
 
 @defvar print-escape-multibyte
 characters, regardless of the value of this variable, when the output
 stream is a multibyte buffer or a marker pointing into one.
 @end defvar
 
 @defvar print-escape-multibyte

-If this variable is non-@code{nil}, then multibyte non-@sc{ascii}
+If this variable is non-@code{nil}, then multibyte non-@acronym{ASCII}

 characters in strings are unconditionally printed as backslash sequences
 by the print functions @code{prin1} and @code{print} that print with
 quoting.
 
 Those functions also use backslash sequences for multibyte
 characters in strings are unconditionally printed as backslash sequences
 by the print functions @code{prin1} and @code{print} that print with
 quoting.
 
 Those functions also use backslash sequences for multibyte

-non-@sc{ascii} characters, regardless of the value of this variable,
+non-@acronym{ASCII} characters, regardless of the value of this variable,

 when the output stream is a unibyte buffer or a marker pointing into
 one.
 @end defvar
 when the output stream is a unibyte buffer or a marker pointing into
 one.
 @end defvar


@@ -771,12 +781,20 @@ exceeding this limit is abbreviated with an ellipsis.  A value of
 @code{nil} (which is the default) means no limit.
 @end defvar
 
 @code{nil} (which is the default) means no limit.
 @end defvar
 

-  These variables are used for detecting and reporting circular 
-and shared structure---but they are only defined in Emacs 21.
+@defopt eval-expression-print-length
+@defoptx eval-expression-print-level
+These are the values for @code{print-length} and @code{print-level}
+used by @code{eval-expression}, and thus, indirectly, by many
+interactive evaluation commands (@pxref{Lisp Eval,, Evaluating
+Emacs-Lisp Expressions, emacs, The GNU Emacs Manual}).
+@end defopt
+
+  These variables are used for detecting and reporting circular
+and shared structure:

 
 @tindex print-circle
 @defvar print-circle
 
 @tindex print-circle
 @defvar print-circle

-If non-@code{nil}, this variable enables detection of circular 
+If non-@code{nil}, this variable enables detection of circular

 and shared structure in printing.
 @end defvar
 
 and shared structure in printing.
 @end defvar
 


@@ -787,3 +805,34 @@ If non-@code{nil}, this variable enables detection of uninterned symbols
 uninterned symbols print with the prefix @samp{#:}, which tells the Lisp
 reader to produce an uninterned symbol.
 @end defvar
 uninterned symbols print with the prefix @samp{#:}, which tells the Lisp
 reader to produce an uninterned symbol.
 @end defvar

+
+@defvar print-continuous-numbering
+If non-@code{nil}, that means number continuously across print calls.
+This affects the numbers printed for @samp{#@var{n}=} labels and
+@samp{#@var{m}#} references.
+
+Don't set this variable with @code{setq}; you should only bind it
+temporarily to @code{t} with @code{let}.  When you do that, you should
+also bind @code{print-number-table} to @code{nil}.
+@end defvar
+
+@defvar print-number-table
+This variable holds a vector used internally by printing to implement
+the @code{print-circle} feature.  You should not use it except
+to bind it to @code{nil} when you bind @code{print-continuous-numbering}.
+@end defvar
+
+@defvar float-output-format
+This variable specifies how to print floating point numbers.  Its
+default value is @code{nil}, meaning use the shortest output
+that represents the number without losing information.
+
+To control output format more precisely, you can put a string in this
+variable.  The string should hold a @samp{%}-specification to be used
+in the C function @code{sprintf}.  For further restrictions on what
+you can use, see the variable's documentation string.
+@end defvar
+
+@ignore
+   arch-tag: 07636b8c-c4e3-4735-9e06-2e864320b434
+@end ignore