# Given this TEX file of a book with typos, how might I produce a corrected version. What tools and supporting packages are necessary or useful?

I am not very experienced with the details of processing TEX. I just use it for mathjax, and a few short missives, from time to time.

The book is Space—Time—Matter, by Hermann Weyl, found here in both TEX and pdf http://gutenberg.org/ebooks/43006

I have a copy of the German language original for comparison. The translation has at least 100 typos in the mathematical expressions. I would like to fix them, but I don't know what it would take to process the corrected tex file. I would also like to use a tool such as LyX to make editing easier. But that is not essential.

Any suggestions?

• I just checked and the TeX file compiles without problems on an updated TeXLive2020 installation with pdflatex. (Of course, you need the full archive including the figures.) How can you fix typos? Well, search in the TeX file for some text in the neighborhood of the incorrect equation, and then it should be very easy to make changes even if you do not have a too detailed knowledge of LaTeX. One possible problem could be that the file uses many macros, so you won't be able to post excerpts on Q & A sites if you run into problems that you cannot solve, at least not without further ado.
– user231225
Dec 22, 2020 at 1:09
• To narrow down the source corresponding to a typo, throw in an indexed \marginnote every so often. If the mistake occurs between note 12 and 13... Dec 22, 2020 at 1:18

• At a glance, it doesn’t seem to use a lot of macros that would be difficult to read, or to update to another set of fonts, or indeed to LuaLaTeX. The definitions of \msfslant and \boldgreek could be updated in a single line each. Dec 22, 2020 at 3:20