LaTeX enable usage (#12)

* Add LaTex usage info * Improve error message
JuliaPlots · Sep 20, 2023 · 0ad2e90 · 0ad2e90
1 parent 8bac3f3
commit 0ad2e90
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diff --git a/README.md b/README.md
@@ -48,3 +48,8 @@ or simply kill it:
 ```julia
 PlotlyKaleido.kill_kaleido()
 ```
+
+To enable LaTeX (using MathJax v2) in plots, use the keyword argument `mathjax`:
+```julia
+PlotlyKaleido.start(mathjax=true)  # start Kaleido server with MathJax enabled
+```
diff --git a/src/PlotlyKaleido.jl b/src/PlotlyKaleido.jl
@@ -45,8 +45,8 @@ function start(;plotly_version = missing,
         )
     end
     if !(mathjax === missing)
-        if mathjax_version > v"2.7.9"
-            error("The given mathjax version $(mathjax_version) is greater than the last supported version of $(_mathjax_last_version).")
+        if mathjax_version >  _mathjax_last_version
+            error("The given mathjax version ($(mathjax_version)) is greater than the last supported version ($(_mathjax_last_version)) of Kaleido.")
         end
         if mathjax isa Bool && mathjax
             push!(chromium_flags, "--mathjax=$(_mathjax_url_path)/$(mathjax_version)/MathJax.js")