citation undefined" in Sublime Text 3 · Issue #1024 · SublimeText/LaTeXTools · GitHub
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GitHub - islandoftex/checkcites: checkcites is a Lua script written for the sole purpose of detecting undefined/unused references from LaTeX auxiliary or bibliography files.
LaTeX Warning: There were undefined references, when a bibliographies refer to another · Issue #1206 · SublimeText/LaTeXTools · GitHub