Treat CRLF as LF when inserting text

In effect, pasting text with \r\n will remove the \r character and
delegate whether or not the file will be saved with CRLF or LF line
endings to the `fileformat` option.

Ref #1742

diff --git a/internal/buffer/line_array.go b/internal/buffer/line_array.go
index 716107e1155ec877fd5c32417a2557f846fc3fc7..717a9c002a6a279ed6c9ce60791518d4d6ee3eeb 100644 (file)
--- a/internal/buffer/line_array.go
+++ b/internal/buffer/line_array.go
@@ -191,10 +191,15 @@ func (la *LineArray) newlineBelow(y int) {
 func (la *LineArray) insert(pos Loc, value []byte) {
        x, y := runeToByteIndex(pos.X, la.lines[pos.Y].data), pos.Y
        for i := 0; i < len(value); i++ {
-               if value[i] == '\n' {
+               if value[i] == '\n' || (value[i] == '\r' && i < len(value)-1 && value[i+1] == '\n') {
                        la.split(Loc{x, y})
                        x = 0
                        y++
+
+                       if value[i] == '\r' {
+                               i++
+                       }
+
                        continue
                }
                la.insertByte(Loc{x, y}, value[i])