A two‐column bulletin 1. Input values that readers will need. A short column can carry a compact Review the gener‐ explanation of the ated PDF at a comfort‐ data and its source. able scale. Check the beginning and end of Keep paragraphs each column, line concise when the line lengths, captions and measure is narrow. page numbers. A suc‐ cessful compilation is 2. Output useful evidence, but it cannot determine The formatter whether the text an‐ fills the first column swers the reader’s before advancing to question. the next one. Inspect terminal The output device output separately. Ta‐ determines how the bles may need a nar‐ same source is ren‐ rower format, and dia‐ dered. PDF preserves grams may need a text page geometry, while alternative. Do not terminal text uses a assume that a drawing fixed character grid. designed for paper can be reproduced accu‐ 3. Review rately on a character grid. Read the source before reviewing the When preparing a page. A heading should release, keep the describe the following original source and material, and an exam‐ the exact formatting ple should match the command together. interface it explains. Record the macro pack‐ Keep explanations near age and any required the commands and preprocessor. This ‐2‐ GRF‐05‐002 makes the document easier to rebuild and gives future maintain‐ ers a clear place to start. In a longer re‐ port, the column flow continues across page boundaries. Here, a short conclusion de‐ liberately returns to full width on the next page. ‐3‐ GRF‐05‐002 4. Conclusion The full‐width discussion resumes after leaving the column layout. GRF‐05‐002