[Rd] Tiny documentation error in ?merge (PR#8818)

[pinard at iro.umontreal.ca]

Hi, people.  In the "Details" section of ?merge, we read:

      If the 'by.*' vectors are of length 0, the result, 'r', is the
     "Cartesian product" of 'x' and 'y', i.e., 'dim(r) =
     c(nrow(x)*nrow, ncol(x) + ncol(y))'.

On the last line, '(y)' seems to be missing just before the comma.

--please do not edit the information below--

Version:
 platform = i686-pc-linux-gnu
 arch = i686
 os = linux-gnu
 system = i686, linux-gnu
 status = 
 major = 2
 minor = 3.0
 year = 2006
 month = 04
 day = 24
 svn rev = 37909
 language = R
 version.string = Version 2.3.0 (2006-04-24)

Locale:
LC_CTYPE=fr_CA.UTF-8;LC_NUMERIC=C;LC_TIME=fr_CA.UTF-8;LC_COLLATE=fr_CA.UTF-8;LC_MONETARY=fr_CA.UTF-8;LC_MESSAGES=fr_CA.UTF-8;LC_PAPER=C;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=C;LC_IDENTIFICATION=C

Search Path:
 .GlobalEnv, package:methods, package:stats, package:graphics, package:utils, package:datasets, fp.etc, package:grDevices, Autoloads, package:base

-- 
François Pinard   http://pinard.progiciels-bpi.ca