When separator = “\n” Silently Breaks Chunk Overlap in RAG Pipelines
Introduction Chunk overlap is widely treated as a reliable mechanism for preserving semantic continuity between adjacent chunks in Retrieval-Augmented Generation (RAG) pipelines. The intuition is straightforward: reuse part of the end of one chunk at the start of the next so the context isn’t artificially broken. In practice, this mechanism is rarely examined in detail….