01/01: doc: emacs: Clarify 'guix-use-substituse' and 'guix-dry-run'.

[???]

iyzsong pushed a commit to branch master
in repository guix.

commit 6f52b82d42a27228032b0d1e8106370818153072
Author: 宋文武 <address@hidden>
Date:   Sun Oct 23 12:49:51 2016 +0800

    doc: emacs: Clarify 'guix-use-substituse' and 'guix-dry-run'.
    
    Reported by apteryx on #guix.
    
    * doc/emacs.texi (Emacs Build Options): Mention the variable value when 
describe
    the effects of 'guix-use-substitute' and 'guix-dry-run'.
---
 doc/emacs.texi |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/doc/emacs.texi b/doc/emacs.texi
index c7a8881..1ffb9f6 100644
--- a/doc/emacs.texi
+++ b/doc/emacs.texi
@@ -417,12 +417,12 @@ this variable, for example:
 @end example
 
 @item guix-use-substitutes
-Has the same meaning as @code{--no-substitutes} option (@pxref{Invoking
-guix build}).
+If nil, has the same meaning as @code{--no-substitutes} option
+(@pxref{Invoking guix build}).
 
 @item guix-dry-run
-Has the same meaning as @code{--dry-run} option (@pxref{Invoking guix
-build}).
+If non-nil, has the same meaning as @code{--dry-run} option
+(@pxref{Invoking guix build}).
 
 @end table