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[Emacs-diffs] emacs-25 ed8474e 33/64: Clarify the doc of eval-expression


From: Lars Ingebrigtsen
Subject: [Emacs-diffs] emacs-25 ed8474e 33/64: Clarify the doc of eval-expression-print-format
Date: Sun, 01 May 2016 18:18:41 +0000

branch: emacs-25
commit ed8474e6ff468b3f395f634c032e8f6cee7b8bde
Author: Lars Ingebrigtsen <address@hidden>
Commit: Lars Ingebrigtsen <address@hidden>

    Clarify the doc of eval-expression-print-format
    
    * lisp/simple.el (eval-expression-print-format): Doc
    clarification (bug#19114).
    
    (cherry picked from commit cd193a871f5a8e1c81ba86fc398ac382fa814383)
---
 lisp/simple.el |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/lisp/simple.el b/lisp/simple.el
index 24d2d7f..97b40bd 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -1418,10 +1418,11 @@ If nil, don't change the value of `debug-on-error'."
   :version "21.1")
 
 (defun eval-expression-print-format (value)
-  "Format VALUE as a result of evaluated expression.
-Return a formatted string which is displayed in the echo area
-in addition to the value printed by prin1 in functions which
-display the result of expression evaluation."
+  "If VALUE in an integer, return a specially formatted string.
+This string will typically look like \" (#o1, #x1, ?\\C-a)\".
+If VALUE is not an integer, nil is returned.
+This function is used by functions like `prin1' that display the
+result of expression evaluation."
   (if (and (integerp value)
           (or (eq standard-output t)
               (zerop (prefix-numeric-value current-prefix-arg))))



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