Clarify the documentation of back-references in replacements

* doc/emacs/search.texi (Regexp Replace): Clarify that \D starts
with \1, not \0.

* lisp/replace.el (query-replace-regexp)
(query-replace-regexp-eval, replace-regexp): Doc fix (Bug#23884)

1 files changed, 6 insertions, 6 deletions

diff --git a/doc/emacs/search.texi b/doc/emacs/search.texi
index d841934c855..b41214df1ae 100644
--- a/doc/emacs/search.texi
+++ b/doc/emacs/search.texi
@@ -1356,12 +1356,12 @@ Replace every match for @var{regexp} with @var{newstring}.
 it can refer to all or part of what is matched by the @var{regexp}.
 @samp{\&} in @var{newstring} stands for the entire match being
 replaced.  @samp{\@var{d}} in @var{newstring}, where @var{d} is a
-digit, stands for whatever matched the @var{d}th parenthesized
-grouping in @var{regexp}.  (This is called a ``back reference''.)
-@samp{\#} refers to the count of replacements already made in this
-command, as a decimal number.  In the first replacement, @samp{\#}
-stands for @samp{0}; in the second, for @samp{1}; and so on.  For
-example,
+digit starting from 1, stands for whatever matched the @var{d}th
+parenthesized grouping in @var{regexp}.  (This is called a ``back
+reference''.)  @samp{\#} refers to the count of replacements already
+made in this command, as a decimal number.  In the first replacement,
+@samp{\#} stands for @samp{0}; in the second, for @samp{1}; and so on.
+For example,
 
 @example
 M-x replace-regexp @key{RET} c[ad]+r @key{RET} \&-safe @key{RET}