Rule index
Rules
Every problem Overfull reports belongs to one of 87 rules. Each page says what the rule means, how to fix it, and, where we have one, shows a real document and log that trigger it.
87 rules
Build
TeX errors from the log, grouped by root cause, with the file and line that caused them.
- error\item outside a list
lonely-itemcorpus - errorbiblatex error
biblatex-errorcorpus - errorCommand already defined
command-already-defined - errorDouble subscript or superscript
double-scriptcorpus - errorEnvironment closed with the wrong \end
environment-mismatchcorpus - errorExtra closing brace
extra-bracecorpus - errorFloat inside a box
not-in-outer-par-modecorpus - errorFont not installed
font-not-foundcorpus - errorhyperref error
hyperref-error - errorInput file not found
missing-filecorpus - errorLength too large
dimension-too-largecorpus - errorLine break with no line to end
no-line-to-end - errorMath symbol outside math mode
missing-dollarcorpus - errorMissing \item
missing-itemcorpus - errorMissing brace
missing-bracecorpus - errorMisused # character
illegal-parameter-numbercorpus - errorPackage loaded twice with different options
option-clashcorpus - errorPackage or class not installed
missing-packagecorpus - errorPreamble command in the document body
preamble-onlycorpus - errorTeX error
tex-error - errorTeX ran out of capacity
tex-capacity-exceededcorpus - errorText in the preamble
missing-begin-documentcorpus - errorTikZ/PGF error
tikz-errorcorpus - errorUnclosed command argument
runaway-argumentcorpus - errorUndefined color
undefined-colorcorpus - errorUnescaped & in text
misplaced-alignment-tabcorpus - errorUnicode character pdfLaTeX cannot typeset
unicode-charactercorpus - errorUnknown command
undefined-control-sequencecorpus - errorUnknown environment
environment-undefinedcorpus - errorUnknown package option
unknown-package-option - errorUnsupported image format
unknown-graphics-extensioncorpus
Output
What reaches the PDF: ?? for undefined references, [?] citations, missing figures, overfull lines, stale bibliographies.
- errorBibliography not built
bibliography-missingcorpus - errorCharacters missing from the font
missing-glyphcorpus - errorFigure file not found
missing-figurecorpus - errorUndefined citation
undefined-citationcorpus - errorUndefined reference
undefined-referencecorpus - errorUnresolved citation in the PDF
pdf-unresolved-citation - errorUnresolved reference in the PDF
pdf-unresolved-reference - warningBibliography out of date
bibliography-stale - warningEmpty bibliography
empty-bibliographycorpus - warningFloat taller than the page
float-too-large - warningFont lacks a requested feature
font-feature-missing - warningFont shape substituted
font-substitutioncorpus - warningLabel defined twice
duplicate-labelcorpus - warningLaTeX needs another run
rerun-neededcorpus - warningText in the margin
overfull-boxcorpus - noteHeading simplified in PDF bookmarks
pdf-string-tokencorpus
References
Every bibliography entry looked up in CrossRef, doi.org, arXiv and DBLP. Entries no index knows are reported, never silently kept.
- errorarXiv id points to a different work
reference-arxiv-wrong-work - errorBibliography file not found
bib-file-missing - errorCited key not in any .bib file
citation-key-missing - errorDOI points to a different work
reference-doi-wrong-work - errorMalformed .bib entry
bib-parse-error - errorReference neither verified nor added with overfull cite
reference-unproven - errorReference not found in any index
reference-not-found - warningBibliography outside the project not checked
bib-outside-project - warningCited entry could not be re-verified
reference-not-reverified - warningReference lookup failed
reference-lookup-failed - warningReference metadata differs from the index record
reference-metadata-mismatch - noteProject reference cache ignored
refs-cache-ignored - noteReference could not be checked automatically
reference-unverifiable
Accessibility
Tagged PDF, document language and title, alt text on figures, and a PDF/UA validation with veraPDF when it is installed.
- errorDocument language not set
pdf-missing-language - errorDocument title missing or not displayed
pdf-missing-title - errorFigure without alternative text
figure-missing-alt - errorFont not embedded
font-not-embedded - errorPDF is not tagged
pdf-not-tagged - errorPDF/UA requirement failed (veraPDF)
verapdf - warningveraPDF could not validate the PDF
verapdf-error - warningveraPDF validation not run
verapdf-not-run - notePDF/UA conformance not claimed
pdfua-not-claimed
Venue
Page limit, paper size, anonymity for double-blind review, AI-use disclosure, arXiv packaging rules.
- errorAbsolute path (arXiv)
arxiv-absolute-path - errorAI-use disclosure is a placeholder
disclosure-placeholder - errorAI-use disclosure missing
disclosure-missing - errorAuthor name in PDF metadata
anonymity-pdf-author - errorAuthor named in the source
anonymity-author-named - errorBuilt with LuaLaTeX (arXiv)
arxiv-unsupported-engine - errorPage limit exceeded
page-limit-exceeded - warningAcknowledgments in an anonymous submission
anonymity-acknowledgments - warningEPS figure with pdfLaTeX (arXiv)
arxiv-eps-pdflatex - warningFigure or table floated past the end of the main text
float-after-main-end - warningFile name with spaces (arXiv)
arxiv-filename-space - warningPage-limit end label not found
page-limit-label-missing - warningShell escape needed (arXiv)
arxiv-shell-escape - warningWrong paper size
paper-size-mismatch - note.bbl not present (arXiv)
arxiv-missing-bbl - notePage limit not checked
page-limit-unchecked - notePossible self-identifying phrase
anonymity-self-reference - noteSource file not read
tex-file-skipped
No rule matches that filter.