Tweaks.

git-svn-id: https://svn.r-project.org/R/trunk@87399 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: hornik

doc/manual/R-ints.texi

@@ -4168,13 +4168,13 @@ than 2 children are spawned.
 Default: unset (but @samp{TRUE} for CRAN submission checks).
 
 @item _R_CHECK_CODE_USAGE_VIA_NAMESPACES_
-If set, check code usage (via @CRANpkg{codetools}) directly on the
+If set, check code usage (via package @CRANpkg{codetools}) directly on the
 package namespace without loading and attaching the package and its
 suggests and enhances.
 Default: true (and true for CRAN submission checks).
 
 @item _R_CHECK_CODE_USAGE_WITH_ONLY_BASE_ATTACHED_
-If set, check code usage (via @CRANpkg{codetools}) with only the base
+If set, check code usage (via package @CRANpkg{codetools}) with only the base
 package attached.
 Default: true.
 
@@ -4310,7 +4310,7 @@ For packages with a @file{configure} file generated by GNU
 @file{configure,.in}, check that @command{autoreconf} can, if available,
 be run in a copy of the sources (this will detect missing source files
 and report @command{autoconf} warnings).  Environment variable
-@env{AUTORECONf} controls the command used: it can give the full path to
+@env{AUTORECONF} controls the command used: it can give the full path to
 @command{autoreconf} (without spaces) and can include flags such as
 @option{--warnings=obsolete} (which is added for @command{autoreconf}
 version 2.68 or 2.69 and is the default for later versions).
@@ -4489,7 +4489,6 @@ of namespaces conventionally were considered as ``internal'').
 Default: false (but true for CRAN submission checks).
 
 @item _R_CHECK_S3_METHODS_SHOW_POSSIBLE_ISSUES_
-Default: false (but true for CRAN submission checks).
 If set to a true value, checking S3 methods also notes ``possible
 issues'', including issues with apparent methods not registered and
 methods registered for non-generics.