Merge pull request #4361 from hargut/fix/dont-count-control-character…

…s-in-line-wrap

fix(clap): line wrap on strings that contain ascii control characters

src/output/textwrap/core.rs

@@ -54,8 +54,21 @@
 #[inline(never)]
 pub(crate) fn display_width(text: &str) -> usize {
     let mut width = 0;
+
+    let mut control_sequence = false;
+    let control_terminate: char = 'm';
+
     for ch in text.chars() {
-        width += ch_width(ch);
+        if ch.is_ascii_control() {
+            control_sequence = true;
+        } else if control_sequence && ch == control_terminate {
+            control_sequence = false;
+            continue;
+        }
+
+        if !control_sequence {
+            width += ch_width(ch);
+        }
     }
     width
 }