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author | Richard M. Stallman <rms@gnu.org> | 1998-06-10 04:08:49 +0000 |
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committer | Richard M. Stallman <rms@gnu.org> | 1998-06-10 04:08:49 +0000 |
commit | 55607887e1a1a509d8030f04f1b6b9699fa469f6 (patch) | |
tree | bbe500f5741fcb9e13fbe185ca3c7d6e2c4e6906 /lispref/eval.texi | |
parent | eb542c5159b062a10c1b663302d5a886875ad37e (diff) | |
download | emacs-55607887e1a1a509d8030f04f1b6b9699fa469f6.tar.gz |
*** empty log message ***
Diffstat (limited to 'lispref/eval.texi')
-rw-r--r-- | lispref/eval.texi | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/lispref/eval.texi b/lispref/eval.texi index d49aba1cc16..80c07bf48a6 100644 --- a/lispref/eval.texi +++ b/lispref/eval.texi @@ -625,18 +625,22 @@ The number of currently active calls to @code{eval} is limited to @code{max-lisp-eval-depth} (see below). @end defun -@deffn Command eval-region start end &optional stream +@deffn Command eval-region start end &optional stream read-function This function evaluates the forms in the current buffer in the region defined by the positions @var{start} and @var{end}. It reads forms from the region and calls @code{eval} on them until the end of the region is reached, or until an error is signaled and not handled. -If @var{stream} is supplied, @code{standard-output} is bound to it -during the evaluation. +If @var{stream} is non-@code{nil}, the values that result from +evaluating the expressions in the region are printed using @var{stream}. +@xref{Output Streams}. -You can use the variable @code{load-read-function} to specify a function -for @code{eval-region} to use instead of @code{read} for reading -expressions. @xref{How Programs Do Loading}. +If @var{read-function} is non-@code{nil}, it should be a function, which +is used instead of @code{read} to read expressions one by one. This +function is called with one argument, the stream for reading input. You +can also use the variable @code{load-read-function} (@pxref{How Programs +Do Loading}) to specify this function, but it is more robust to use the +@var{read-function} argument. @code{eval-region} always returns @code{nil}. @end deffn |