elharo opened a new issue, #353:
URL: https://github.com/apache/maven-filtering/issues/353

   In 
`src/main/java/org/apache/maven/shared/filtering/MultiDelimiterInterpolatorFilterReaderLineEnding.java`,
 line 207:
   
   ```
   BoundedReader in = new BoundedReader(this.in, markLength);
   ```
   
   A new `BoundedReader` is created on every single `read()` invocation. The 
constructor calls `this.in.mark(markLength)` on the shared `BufferedReader`, 
setting a new mark at the current stream position each time. This is:
   
   - **Inefficient** — allocates a new wrapper object and resets the mark on 
every character read
   - **Fragile** — if the underlying reader's mark buffer is insufficient 
between calls, `reset()` silently fails
   
   The `BoundedReader` was designed for use within a single logical read 
operation but is being used as a disposable per-character wrapper.


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