[Bug 42508] start.exe does not detect its title argument when it should ( breaking .e.g URL opening in League of Legends)

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=42508

--- Comment #3 from Bas Weelinck <hydratech at gmail.com> ---
Created attachment 57563
  --> https://bugs.winehq.org/attachment.cgi?id=57563
output log showing cmd quote handling parse behaviour for arguments surrounded
by quotes but containing escaped quotes.

I spoke to madewokherd in #winehackers yesterday and he suggested the same. As
such I have appended a patch for your testing pleasure. It works for quoted
arguments containing no spaces, but has the problems you described when the
argument contains spaces. So we definitely want to add surrounding quotes.

I did run into another issue though, it seems WCMD_parameter_with_delims does
not handle escaped quotes. I am not sure if it is a bug or not, but it does
seem odd to me. It can cause WCMD_parameter to return an argument that is not
actually surrounded by quotes, but does start with one. The quote block is
terminated by the escaped quote, whereafter the next delimiter terminates the
entire argument.  

I've attached output of a wine running with the patch and the debug channels
start,cmd,exec,process where you can observe this behaviour.

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