VCL environment variable naming convention

[Stephan Bergmann]

On 23.02.2018 22:51, Chris Sherlock wrote:
> I have a gerrit patch queued, it works fine but not sure of the 
> environment variable name (the one I chose is probably quite clunky).
> 
> https://gerrit.libreoffice.org/#/c/47493/
> 
> I currently have it as $VCLSALFRAME_KEYDEBUG, what should it be?

FWIW, vcl/README.vars lists existing env vars used in VCL.