Merge pull request #109 from Kolaru/command_unsupported

Avoid TeXParseError showing as unexpected error

Author: Kolaru

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       matrix:
         version:
           - '1.7'
-          - '1.8'
+          - '1.9'
         os:
           - ubuntu-latest
         arch:

Project.toml

@@ -12,7 +12,6 @@ GeometryBasics = "5c1252a2-5f33-56bf-86c9-59e7332b4326"
 LaTeXStrings = "b964fa9f-0449-5b57-a5c2-d3ea65f4040f"
 REPL = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
 RelocatableFolders = "05181044-ff0b-4ac5-8273-598c1e38db00"
-Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 UnicodeFun = "1cfade01-22cf-5700-b092-accc4b62d6e1"
 
 [compat]

src/parser/parser.jl

@@ -289,8 +289,12 @@ actions = Dict(actions...)
 
     try
         $(Automa.generate_exec_code(machine, actions))
-    catch
-        throw(TeXParseError("unexpected error while parsing", stack, p, data))
+    catch e
+        if e isa TeXParseError
+            rethrow()
+        else
+            throw(TeXParseError("unexpected error while parsing", stack, p, data))
+        end
     end
 
     while current_head(stack) == :skip_char

test/Project.toml

@@ -0,0 +1,2 @@
+[deps]
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

test/runtests.jl

@@ -1,4 +1,3 @@
-using LaTeXStrings
 using Test
 
 using MathTeXEngine