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only one Value History section

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* doc/ref/repl-modules.texi: Remove section on Value History, it's
  covered in scheme-using.
* doc/ref/scheme-using.texi: Rename "Value Historyx" section to "Value
  History".
* doc/ref/guile.texi: Update xref.
This commit is contained in:
Andy Wingo 2010-08-06 12:27:11 +02:00
parent 69724dde0a
commit ca290a89f3
3 changed files with 3 additions and 36 deletions
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1
doc/ref/guile.texi
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@ -352,7 +352,6 @@ available through both Scheme and C interfaces.
* SRFI Support:: Support for various SRFIs.
* R6RS Support:: Modules defined by the R6RS.
* Readline Support:: Module for using the readline library.
* Value History:: Maintaining a value history in the REPL.
* Pretty Printing:: Nicely formatting Scheme objects for output.
* Formatted Output:: The @code{format} procedure.
* File Tree Walk:: Traversing the file system.

34
doc/ref/repl-modules.texi
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@ -1,6 +1,6 @@
@c -*-texinfo-*-
@c This is part of the GNU Guile Reference Manual.
@c Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004
@c Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2010
@c Free Software Foundation, Inc.
@c See the file guile.texi for copying conditions.
@ -254,38 +254,6 @@ possibilities in @var{string-list}. Matching is case-sensitive.
@end defun
@node Value History
@section Value History
@c FIXME::martin: Review me!
@cindex value history
Another module which makes command line usage more convenient is
@code{(ice-9 history)}. This module will change the REPL so that each
value which is evaluated and printed will be remembered under a name
constructed from the dollar character (@code{$}) and the number of the
evaluated expression.
Consider an example session.
@example
guile> (use-modules (ice-9 history))
guile> 1
$1 = 1
guile> (+ $1 $1)
$2 = 2
guile> (* $2 $2)
$3 = 4
@end example
After loading the value history module @code{(ice-9 history)}, one
(trivial) expression is evaluated. The result is stored into the
variable @code{$1}. This fact is indicated by the output @code{$1 = },
which is also caused by @code{(ice-9 history)}. In the next line, this
variable is used two times, to produce the value @code{$2}, which in
turn is used in the calculation for @code{$3}.
@c Local Variables:
@c TeX-master: "guile.texi"
@c End:

4
doc/ref/scheme-using.texi
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@ -36,7 +36,7 @@ support for languages other than Scheme.
@menu
* Readline::
* Value Historyx::
* Value History::
* REPL Commands::
* Error Handling::
* Interactive Debugging::
@ -63,7 +63,7 @@ starts up interactively, so anything in this file has the same effect
as if you type it in by hand at the ``scheme@@(guile-user)>'' prompt.
@node Value Historyx
@node Value History
@subsection Value History
Just as Readline helps you to reuse a previous input line, @dfn{value