Re: [PATCH v10 0/1] MR5968: cmd: Do not set enviroment variable when no input is provided by set /p command.

[eric pouech (＠epo)]

eric pouech (@epo) commented about programs/cmd/builtins.c:
>  {
>    /* Output the prompt */
>    *p++ = '\0';
> -
>  if (*p) WCMD_output_asis(p);
> -
>  if (*p) {
> -
>    if (wcschr(p, '\"')) WCMD_strip_quotes(p);

not fully compatible with additonal tests:
```
> set /p A=ab"c"

ab"c"
> set /p A=  ab"c"

ab"c"
> set /p A=  "ab"c

ab
```
so likely closer to:
```
p = WCMD_skip_leading_spaces(p);
if (*p)
{
if (*p == L'"') { WCHAR* last = wcsrchr(p + 1, L'"'); p++; if (last) *last = L'\0';}
```