If you activate the debugger (M-x toggle-debug-on-error), does it show anything
>> On Wed, Sep 27 2017 09:47, Christian wrote:
> Hi, after start with M-x R the R window behaves OK, allowing writing to. BUT,
> after navigating in the help system, R refuses writing with "Text is read
> only". This makes R unusable. I found no help on the net, so, please, give me
> some hints.
> This behaviour started bothering me out of the blue. Some mis-manipulation?
> TIA C.
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