TL;DR
A PDF titled "LaTeX Coffee Stains" is available at a CTAN URL but the full text is not accessible in the provided source. The only excerpt visible is a short note indicating comments and that the full article text is unavailable.
What happened
A document named "LaTeX Coffee Stains" (coffeestains-en.pdf) is hosted on CTAN under the graphics/pgf contrib path. The only information available in the supplied source is a brief excerpt containing the word "Comments" and a note that the full article text is not available; the PDF itself is referenced by URL but its contents were not provided for review. From the filename and its location on CTAN, the file appears to be an English-language resource related to the "coffeestains" contribution within the PGF graphics area, but the source does not include the document body or any descriptive metadata beyond the filename and the short excerpt. Because the underlying text is unavailable in the source, no further details about scope, examples, usage, authorship or license can be confirmed.
Why it matters
- CTAN hosts documentation and packages that many LaTeX users rely on for typesetting and graphics; missing or inaccessible documentation can impede adoption and use.
- Knowing whether package documentation is available in full is important for users who need installation instructions, compatibility notes, or usage examples.
- Clear, accessible documentation supports reproducibility and integration of community contributions into TeX workflows.
Key facts
- Document title (from source): "LaTeX Coffee Stains"
- Filename referenced: coffeestains-en.pdf
- Host and path: https://ctan.math.illinois.edu/graphics/pgf/contrib/coffeestains/coffeestains-en.pdf
- Source excerpt contains the word "Comments" and a note that the full article text is not available
- The file appears to be a PDF (as indicated by the .pdf extension)
- The filename suggests the document is in English ("-en" suffix)
- No contents of the document body or metadata (authors, date inside, license, examples) are available in the provided source
What to watch next
- Whether the full PDF becomes accessible at the CTAN URL — not confirmed in the source
- Updates or a README on the CTAN contrib directory that clarify purpose and usage of "coffeestains" — not confirmed in the source
- Compatibility notes with PGF/TikZ or LaTeX releases and any example usage files that may accompany the package — not confirmed in the source
Quick glossary
- LaTeX: A document preparation system widely used for typesetting technical and scientific documents.
- CTAN: Comprehensive TeX Archive Network, a central repository for LaTeX packages, documentation, and related resources.
- PGF/TikZ: A pair of systems for creating vector graphics within LaTeX documents; PGF is the lower-level layer and TikZ is a user-friendly frontend.
- Package documentation: Files accompanying a software package that describe installation steps, usage, options, and examples.
- PDF: Portable Document Format, a widely used file format for distributing fixed-layout documents.
Reader FAQ
What is this document?
The source lists a PDF titled "LaTeX Coffee Stains" hosted on CTAN; the supplied excerpt does not include the document body.
Can I read the full document from this source?
Not confirmed in the source.
Is this part of CTAN's graphics/pgf contrib collection?
The URL path indicates it is located under graphics/pgf/contrib on CTAN, which suggests it is part of that collection.
What does the "coffeestains" resource do or include?
Not confirmed in the source.
Comments
Sources
- LaTeX Coffee Stains [pdf]
- Package coffeestains
- LaTeX Coffee Stains
- Coffee (and wine (and nicotine)) stains on an entire …
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