elharo opened a new issue, #354:
URL: https://github.com/apache/maven-filtering/issues/354
In
`src/main/java/org/apache/maven/shared/filtering/MultiDelimiterInterpolatorFilterReaderLineEnding.java`,
lines 133–141:
```
public AbstractFilterReaderLineEnding setDelimiterSpecs(Set<String> specs) {
delimiters.clear();
for (String spec : specs) {
delimiters.add(DelimiterSpecification.parse(spec));
markLength += spec.length() * 2;
}
return this;
}
```
`markLength` is accumulated on top of the current value rather than
recalculated from base (255 + escapeString.length). If `setDelimiterSpecs` is
called multiple times, `markLength` grows unbounded. Currently this is safe
only because `setEscapeString()` always follows in `Wrapper.getReader()` and
calls `calculateMarkLength()` which resets the value. However, this inter-call
dependency is fragile and undocumented.
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