[Rd] help.start() failed (PR#936)

[wb@vestein.arb-phys.uni-dortmund.de]

On my system help.start() failed with "could not write .R/doc/html/packages.html
"
or equivalent. This due to /usr/local/lib/R/doc/html/packages-head.html
having protection -r--r--r--. After inserting 'chmod u+w ${PKGLIST}'
after 'cp ${R_HOME}/doc/html/packages-head.html ${PKGLIST}'in
/usr/local/lib/R/bin/help.links, it works.

BTW. bug.report() fails with "mailx: not found" also.

--please do not edit the information below--

Version:
 platform = i386--freebsd4.2
 arch = i386
 os = freebsd4.2
 system = i386, freebsd4.2
 status =
 major = 1
 minor = 2.1
 year = 2001
 month = 01
 day = 15
 language = R

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