improve patch

src/preprocessor.rs

@@ -155,11 +155,9 @@ pub fn sanitize(line: &str) -> String {
     let bytes = stripped.as_bytes();
     let mut start = 0;
     let mut i = 0;
-    while i < bytes.len() {
-        if !is_sanitize_trigger(bytes[i]) {
-            i += 1;
-            continue;
-        }
+    // Skip directly to the next trigger byte instead of testing each one.
+    while let Some(off) = bytes[i..].iter().position(|&b| is_sanitize_trigger(b)) {
+        i += off;
         let len = sanitize_at(bytes, i, &stripped, &mut buffer, &mut start);
         i += len;
     }

src/pretty_printer.rs

@@ -194,13 +194,10 @@ impl<'a> PrettyPrinter<'a> {
 
     /// Whether to sanitize untrusted input for safe display (default: never)
     ///
-    /// Implies [`strip_ansi`](Self::strip_ansi) at the same value, and also
-    /// replaces terminal-active and bidi / zero-width bytes with U+FFFD.
+    /// Strips ANSI escape sequences and additionally substitutes terminal-active
+    /// control bytes and bidi / zero-width codepoints with U+FFFD.
     pub fn sanitize(&mut self, mode: StripAnsiMode) -> &mut Self {
         self.config.sanitize = mode;
-        if mode != StripAnsiMode::Never {
-            self.config.strip_ansi = mode;
-        }
         self
     }