Merge pull request #558 from contradict/fix-documenter

Update documentation generator

Author: bowenszhu

docs/make.jl

@@ -7,14 +7,14 @@ makedocs(
     authors="Shashi Gowda",
     modules=[SymbolicUtils],
     clean=true,doctest=false,
-    strict=[
+    warnonly=Documenter.except(
         :doctest,
         :linkcheck,
         :parse_error,
         :example_block,
         # Other available options are
         # :autodocs_block, :cross_references, :docs_block, :eval_block, :example_block, :footnote, :meta_block, :missing_docs, :setup_block
-    ],
+    ),
     format = Documenter.HTML(#analytics = "UA-90474609-3",
                              assets = ["assets/favicon.ico"],
                              canonical="https://docs.sciml.ai/SymbolicUtils/stable/"),