Confusing source code position in error message #877
Description
Input
```scala mdoc
extension (x: Int)
def ===(y: Int) = x == y
```
```scala mdoc:fail
1 === ""
```
```scala mdoc:silent
1 === 1
```
Command line
coursier launch org.scalameta:mdoc_3:2.5.3
Output
```scala
extension (x: Int)
def ===(y: Int) = x == y
```
```scala
1 === ""
// error:
// Found: ("" : String)
// Required: Int
// 1 === 1
// ^
```
```scala
1 === 1
```
Source code position above
// 1 === 1
// ^
suppose to be
// 1 === ""
// ^^