Files
PowerShell/src/System.Management.Automation
xtqqczze 69ded7777a Use span-based string.Concat inatead of string.Substring (#13500)
Before:

```csharp
str1 + str2.Substring(...) + str3
```

After:
```csharp
string.Concat(str1, str2.AsSpan(...), str3)
```
2020-10-28 13:01:05 +05:00
..