Fix printing unicode

docs/en/src/upgrade-guide.md

@@ -62,7 +62,7 @@ compatibility.
 - Added key binding `f` `backspace` to remove the last filter.
 - Search mode now defaults to regex search.
 - Added a new message `SetInputPrompt` to set the input prompt dynamically.
-- Added new node properties (available via teh Lua API):
+- Added new node properties (available via the Lua API):
   - `created`
   - `last_modified`
 - Added support for sorting with timestamp using the new sorters:

src/bin/xplr.rs

@@ -58,7 +58,11 @@ fn main() {
         match runner::from_cli(cli).and_then(|a| a.run()) {
             Ok(Some(mut out)) => {
                 if write0 {
-                    out = out.trim_end().replace('\n', "\0");
+                    out = out
+                        .trim_end()
+                        .chars()
+                        .map(|c| if c == '\n' { '\0' } else { c })
+                        .collect();
                 }
                 print!("{}", out);
             }