Merge pull request #14 from Witiko/fix/missing-space-before-end

Test sandboxing and chunks that end with `end` or comment

.github/workflows/main.yml

@@ -50,7 +50,10 @@ jobs:
       - name: Extract text of the example document
         run: pdftotext example.pdf
       - name: Check the text of the example document
-        run: grep '1+2=3' example.txt
+        run: |
+          set -e
+          cat example.txt
+          grep -q '1+2=3' example.txt
   prerelease:
     name: Prerelease the package
     needs:

example.context

@@ -1,4 +1,5 @@
 \usemodule[t][lt3luabridge]
+\luabridgeExecute{x = 1 -- this will have no effect due to sandboxing}
 \starttext
-$ 1 + 2 = \luabridgeExecute{ print(1 + 2) } $
+$ 1 + 2 = \luabridgeExecute{if true then print(1 + 2) end} $
 \stoptext

example.latex

@@ -1,5 +1,6 @@
 \documentclass{standalone}
 \usepackage{lt3luabridge}
+\luabridgeExecute{x = 1 -- this will have no effect due to sandboxing}
 \begin{document}
-$ 1 + 2 = \luabridgeExecute{ print(1 + 2) } $
+$ 1 + 2 = \luabridgeExecute{if true then print(1 + 2) end} $
 \end{document}

example.plaintex

@@ -1,3 +1,4 @@
 \input lt3luabridge\relax
-$ 1 + 2 = \luabridgeExecute{ print(1 + 2) } $
+\luabridgeExecute{x = 1 -- this will have no effect due to sandboxing}
+$ 1 + 2 = \luabridgeExecute{if x == nil then print(1 + 2) end} $
 \bye

lt3luabridge.dtx

@@ -306,7 +306,8 @@
             local~ran_ok, error = pcall(function()
               local~ran_ok, kpse = pcall(require,~"kpse")
               if~ran_ok~then~kpse.set_program_name("luatex") end~
-              \exp_not:V \l_tmpa_tl~
+              \exp_not:V \l_tmpa_tl
+              \iow_newline:
             end)
             if~not~ran_ok~then~
               local~file = io.open("