Make command line instructions for vcpgk more similar to those used
for example for nmake. The MS Windows command line does not use $ as
the command prompt and batch files are more commonly used then Unix
shell scripts.
Closes https://github.com/wxWidgets/wxWidgets/pull/1785
This file doesn't need to be created initially, as it will be done
automatically during the build, but it does need to be updated whenever
setup0.h changes, so explain this in both the README-GIT.md file and the
main build instructions.
Closes#18699.
The binaries-related files haven't been updated yet because we don't
provide 2019 binaries yet (build/tools/msvs/officialbuild.bat still has
to be updated too).
This replaces and extends the previous commit by using `$var` instead of
`$(var)` when this makes sense and using the ugly workaround for Doxygen
expanding environment variables even inside Markdown backticks elsewhere.
Also use backticks around more strings.
Use backticks around _UNICODE to avoid the special meaning of "_" in
Markdown.
Also use backticks around a couple of other identifiers/paths for
consistency.
