diff --git a/src/uwtools/drivers/driver.py b/src/uwtools/drivers/driver.py
index dfdf80d44..878e44e8b 100644
--- a/src/uwtools/drivers/driver.py
+++ b/src/uwtools/drivers/driver.py
@@ -33,8 +33,6 @@
 from uwtools.utils.file import writable
 from uwtools.utils.processing import run_shell_cmd
 
-OutputT = dict[str, Union[str, list[str]]]
-
 # NB: Class docstrings are programmatically defined.
 
 
@@ -433,7 +431,7 @@ def _run_via_local_execution(self):
     # Public methods
 
     @property
-    def output(self) -> OutputT:
+    def output(self) -> Union[dict[str, str], dict[str, list[str]]]:
         """
         Returns a description of the file(s) created when this component runs.
         """
diff --git a/src/uwtools/drivers/upp.py b/src/uwtools/drivers/upp.py
index be01b903f..b57ece118 100644
--- a/src/uwtools/drivers/upp.py
+++ b/src/uwtools/drivers/upp.py
@@ -7,7 +7,7 @@
 from iotaa import asset, task, tasks
 
 from uwtools.config.formats.nml import NMLConfig
-from uwtools.drivers.driver import DriverCycleLeadtimeBased, OutputT
+from uwtools.drivers.driver import DriverCycleLeadtimeBased
 from uwtools.drivers.support import set_driver_docstring
 from uwtools.exceptions import UWConfigError
 from uwtools.strings import STR
@@ -100,7 +100,7 @@ def driver_name(cls) -> str:
         return STR.upp
 
     @property
-    def output(self) -> OutputT:
+    def output(self) -> dict[str, list[str]]:
         """
         Returns a description of the file(s) created when this component runs.
         """
diff --git a/src/uwtools/rocoto.py b/src/uwtools/rocoto.py
index 84001ccf0..180d66aaf 100644
--- a/src/uwtools/rocoto.py
+++ b/src/uwtools/rocoto.py
@@ -92,7 +92,7 @@ def __str__(self) -> str:
         xml = etree.tostring(
             self._root, pretty_print=True, encoding="utf-8", xml_declaration=True
         ).decode()
-        xml = re.sub(r"&([^;]+);", r"&\1;", xml)
+        xml = re.sub(r"&([^&]+;)", r"&\1", xml)
         xml = self._insert_doctype(xml)
         return xml
 
diff --git a/src/uwtools/tests/fixtures/hello_workflow.yaml b/src/uwtools/tests/fixtures/hello_workflow.yaml
index be9a10607..51d8691ff 100644
--- a/src/uwtools/tests/fixtures/hello_workflow.yaml
+++ b/src/uwtools/tests/fixtures/hello_workflow.yaml
@@ -15,9 +15,9 @@ workflow:
     task_hello:
       attrs:
         cycledefs: howdy
-        maxtries: "2"
+        maxtries: 2
       account: "&ACCOUNT;"
-      command: "echo hello $person"
+      command: "echo account for $person is &ACCOUNT; && true"
       jobname:
         cyclestr:
           attrs:
@@ -34,7 +34,7 @@ workflow:
       task_hello_#member#:
         attrs:
           cycledefs: howdy
-          maxtries: "1"
+          maxtries: 1
         account: "&ACCOUNT;"
         command: "echo hello #member#"
         nodes: 1:ppn=1