> On 2018-10-17, at 22:29, Marc Schwartz <marc_schwa...@me.com> wrote:
> 
> Ok, strange. I figured that there was some conflict/corruption in place with 
> R.app that was not immediately clear.
> 
> Peter raised the possibility of a firewall issue, but I am curious as to why 
> that would affect the use of help in R.app, but not via other environments, 
> like the Mac Terminal app. Theoretically, it should be via similar protocols 
> and ports in each setting, unless there is something specific that R.app does 
> to the OS environment when running, that would inhibit the dynamic generation 
> of the HTML pages. But if so, why just for the two of you?
> 
> It seems like the server is starting up ok, but the help pages are not being 
> generated by Rd2HTML() in R.app.
> 
> However, it sparked a thought in my head, which is always risky, and that is, 
> do you guys have any anti-virus/malware software running? I may be grasping 
> at straws here, but such applications have been known to cause all kinds of 
> flaky behaviors, that are not immediately evident nor associated with them.

No firewall; no anti-virus or other malware software

> 
> One other thought. When you get the blank HTML page, presumably white 
> background, drag the cursor around the page to try to highlight text, as if 
> the text was also white, thus not showing against the white background. 
> Another straw....

Nope.  Blank is blank.  No invisible text detected.

> 
> Regards,
> 
> Marc
> <snip>

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