cleanup, comment

git-svn-id: https://svn.r-project.org/R/trunk@87919 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: smeyer

doc/manual/R-admin.texi

@@ -1447,7 +1447,7 @@ and from @I{Martin Storsjo}.
 @node LaTeX on Windows
 @subsection @LaTeX{}
 
-Both building @R{} and checking packages need a distribution of @LaTeX{}
+Building PDF vignettes and manuals needs a distribution of @LaTeX{}
 installed, with the directory containing @command{pdflatex} on the path.
 
 The @samp{MiKTeX} (@uref{https://miktex.org/}) distribution of

src/gnuwin32/Makefile

@@ -338,9 +338,7 @@ pdfdocs manuals:
 	@$(MK) -C ../../doc/manual -f Makefile.win clean
 	@$(MK) -C ../../doc/manual -f Makefile.win
 
-R_EXE = ../../$(BINDIR)/Rterm.exe --vanilla --no-echo
-
-## must come after recommended
+## currently only run for 'distribution', not 'all' (unlike on Unix-alikes)
 vignettes:
 	@$(MK) -C ../library -f Makefile.win vignettes