[PATCH v2 0/3] MR4504: cmd: fix for bug 55401

[Dmitry Sokolov (＠DmitrySokolov)]

Visual Studio's native tool command prompt uses rare for loop variables: %%1, %%2. This test covers this case.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55401

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  v2: * cmd: added support of FOR loop's rare var names (%%1), fixed expansion of outer var loop name inside inner loop
      cmd: added support of for loop's rare var names (%%1), fixed expansion of outer var loop name inside inner loop
      cmd: added test for rare for loop vars

https://gitlab.winehq.org/wine/wine/-/merge_requests/4504