diff --git a/src/bedit_gui/__main__.py b/src/bedit_gui/__main__.py
new file mode 100644
index 0000000..58367d9
--- /dev/null
+++ b/src/bedit_gui/__main__.py
@@ -0,0 +1,5 @@
+def main():
+    pass
+
+if __name__ == "__name__":
+    raise SystemExit(main())
\ No newline at end of file
diff --git a/src/bedit_simulation/simulation.py b/src/bedit_simulation/simulation.py
index d6f3d6c..8203a26 100644
--- a/src/bedit_simulation/simulation.py
+++ b/src/bedit_simulation/simulation.py
@@ -54,7 +54,7 @@ class ModelCheckResult:
 
     model_name: str
     successful: bool
-    output: str
+    output: list[str]
     errors: str
 
 
@@ -280,7 +280,7 @@ class Simulation:
         return ModelCheckResult(
             model_name=model_name,
             successful="completed successfully" in process.stdout.lower(),
-            output=process.stdout,
+            output=_decode_omc_strings(process.stdout),
             errors=process.stderr,
         )
 
@@ -689,3 +689,52 @@ def _load_model_script(
             "",
         ]
     )
+
+
+def _decode_omc_strings(output: str) -> list[str]:
+    """Decode OMC strings, including quoted values spanning several lines."""
+    decoded: list[str] = []
+    quoted_lines: list[str] = []
+
+    for line in output.splitlines():
+        if quoted_lines:
+            quoted_lines.append(line)
+            if _ends_with_unescaped_quote(line):
+                decoded.extend(_decode_quoted_lines(quoted_lines))
+                quoted_lines = []
+            continue
+
+        if line.startswith('"') and not _ends_with_unescaped_quote(line[1:]):
+            quoted_lines.append(line)
+            continue
+
+        try:
+            value = json.loads(line)
+        except json.JSONDecodeError:
+            decoded.append(line)
+        else:
+            if isinstance(value, str):
+                decoded.extend(value.splitlines() or [""])
+            else:
+                decoded.append(line)
+
+    if quoted_lines:
+        decoded.extend(_decode_quoted_lines(quoted_lines))
+    return decoded
+
+
+def _ends_with_unescaped_quote(value: str) -> bool:
+    if not value.endswith('"'):
+        return False
+    before_quote = value[:-1]
+    backslashes = len(before_quote) - len(before_quote.rstrip("\\"))
+    return backslashes % 2 == 0
+
+
+def _decode_quoted_lines(lines: Sequence[str]) -> list[str]:
+    value = "\n".join(lines)
+    try:
+        decoded = json.loads(value.replace("\n", "\\n"))
+    except json.JSONDecodeError:
+        decoded = value.removeprefix('"').removesuffix('"')
+    return decoded.splitlines() or [""]
diff --git a/src/bedit_util/simulate.py b/src/bedit_util/simulate.py
index 9e146d7..9d84b4e 100644
--- a/src/bedit_util/simulate.py
+++ b/src/bedit_util/simulate.py
@@ -37,6 +37,10 @@ async def run_simulation(
     runner = OpenModelicaRunner(omc_command, timeout=timeout)
     simulation = Simulation(runner)
     await simulation.load(component)
+    check = await simulation.check()
+    for line in check.output:
+        if line and line not in ['""', 'true', 'false']:
+            print(line)
     if working_directory is not None:
         await simulation.build(working_directory)
         return await _run_with_progress(
@@ -45,7 +49,7 @@ async def run_simulation(
             progress_callback,
         )
     with tempfile.TemporaryDirectory(prefix="bedit-simulation-") as temporary:
-        await simulation.build(temporary)
+        build = await simulation.build(temporary)
         result = await _run_with_progress(
             simulation,
             options,
diff --git a/tests/unit/test_simulation.py b/tests/unit/test_simulation.py
index c1f39a1..a358181 100644
--- a/tests/unit/test_simulation.py
+++ b/tests/unit/test_simulation.py
@@ -45,7 +45,9 @@ def _fake_omc(
     return ProcessResult(
         tuple(command),
         0,
-        '"Check of Example completed successfully."\n',
+        '"Check of Example completed successfully.\n'
+        'Class Example has 1 equation(s) and 1 variable(s)."\n'
+        '""\n',
         "",
     )
 
@@ -114,6 +116,11 @@ def test_checks_existing_modelica_source(tmp_path: Path) -> None:
     result = asyncio.run(check())
 
     assert result.successful
+    assert result.output == [
+        "Check of Example completed successfully.",
+        "Class Example has 1 equation(s) and 1 variable(s).",
+        "",
+    ]
     script = (tmp_path / "model-command.mos").read_text(encoding="utf-8")
     assert "checkModel(Example);" in script