deletions | additions       diff --git a/Interpreting PDFs.md b/Interpreting PDFs.md  index fd9eb3a..c9d9dd9 100644  --- a/Interpreting PDFs.md  +++ b/Interpreting PDFs.md 
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PDFs provide three streams:  1. characters with code points or their glyphs  2. paths (lines and curves)  3. pixel images