I am using WinEdt and MikTex.

When I PDFtex my document, it produces a rather huge log file, most of which is stuff I don't need, but some of which is important.

Are there any good guides to using this file (and the other output LaTeX produces) to help edit a document?

  • 1
    Use the search function of your editor and search for "warning". That will take you to many of the important parts…
    – TeXnician
    Apr 8 '19 at 19:56
  • 1
    winedt has a rather good interface to wander through the important messages. ctrl+E will open a window and there you can jump to the next error/warning. Apr 8 '19 at 21:37
  • 1
    Each package (and the document itself) can write to the log, see for example tex.stackexchange.com/questions/69478/write-to-logfile. It is up to the package authors to determine which information is added to the log, so it can be anything - there are no restrictions or explicit guidelines as far as I know. Of course most packages try to include only useful diagnostics, but there can be a lot of it. As a general strategy it is mostly useful to look at the end of the file, if there is a problem it is usually diagnosed there.
    – Marijn
    Apr 8 '19 at 21:39

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