diff --git a/.github/workflows/buildwheel.yml b/.github/workflows/buildwheel.yml
index 35f41f9d..64252e59 100644
--- a/.github/workflows/buildwheel.yml
+++ b/.github/workflows/buildwheel.yml
@@ -75,6 +75,28 @@ jobs:
         with:
           path: dist/*.tar.gz
 
+  test_rst:
+    needs: build_wheels
+    name: Test rst docs
+    runs-on: ubuntu-20.04
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.12'
+
+      - uses: actions/download-artifact@v3
+        with:
+          name: artifact
+          path: wheelhouse
+
+      - run: pip install --upgrade pip
+      - run: pip install pytest
+      - run: pip install --no-index --find-links wheelhouse python_flint
+      - run: pytest --doctest-glob='*.rst' doc/source
+
   test_wheels:
     needs: build_wheels
     name: Test ${{ matrix.python-version }} wheel on ${{ matrix.os }}
diff --git a/doc/source/general.rst b/doc/source/general.rst
index 52156f0f..fb2ec9ac 100644
--- a/doc/source/general.rst
+++ b/doc/source/general.rst
@@ -46,6 +46,7 @@ The user can mutate the properties directly, for example::
     >>> fmpq(3,2)
     fmpq(3,2)
     >>> ctx.pretty = True
+    >>> fmpq(3,2)
     3/2
 
 Calling ``ctx.default()`` restores the default settings.
diff --git a/src/flint/__init__.py b/src/flint/__init__.py
index de90e314..bda516f9 100644
--- a/src/flint/__init__.py
+++ b/src/flint/__init__.py
@@ -24,6 +24,6 @@
 from .types.fmpz_mod import *
 from .types.fmpz_mod_poly import *
 from .types.dirichlet import *
-from .functions.showgood import showgood
+from .functions.showgood import good, showgood
 
 __version__ = '0.5.0'
diff --git a/src/flint/flint_base/flint_context.pyx b/src/flint/flint_base/flint_context.pyx
index c73c83bc..b344ddc8 100644
--- a/src/flint/flint_base/flint_context.pyx
+++ b/src/flint/flint_base/flint_context.pyx
@@ -63,7 +63,7 @@ cdef class FlintContext:
                "prec = %-8s    # real/complex precision (in bits)\n"   \
                "dps = %-8s     # real/complex precision (in digits)\n"    \
                "cap = %-8s     # power series precision\n"    \
-               "threads = %-8s # max number of threads used internally\n" % \
+               "threads = %-8s # max number of threads used internally" % \
             (self.pretty, self.unicode, self.prec, self.dps, self.cap, self.threads)
 
     def cleanup(self):
diff --git a/src/flint/test/test.py b/src/flint/test/test.py
index 2d82e821..aab785ee 100644
--- a/src/flint/test/test.py
+++ b/src/flint/test/test.py
@@ -30,7 +30,7 @@ def raises(f, exception):
 prec = 53          # real/complex precision (in bits)
 dps = 15           # real/complex precision (in digits)
 cap = 10           # power series precision
-threads = 1        # max number of threads used internally
+threads = 1        # max number of threads used internally\
 """
 
 def test_pyflint():
@@ -78,6 +78,9 @@ def test_pyflint():
     assert raises(lambda: setattr(ctx, "prec", -1), ValueError)
     assert raises(lambda: setattr(ctx, "dps", -1), ValueError)
 
+def test_showgood():
+    from flint import good, showgood
+
 def test_fmpz():
     assert flint.fmpz() == flint.fmpz(0)
     L = [0, 1, 2, 3, 2**31-1, 2**31, 2**63-1, 2**63, 2**64-1, 2**64]
@@ -2422,10 +2425,14 @@ def setbad(obj, i, val):
         if is_field:
             assert P([1, 2, 1]).integral() == P([0, 1, 1, S(1)/3])
 
-
+def test_all_tests():
+    test_funcs = {f for name, f in globals().items() if name.startswith("test_")}
+    untested = test_funcs - set(all_tests)
+    assert not untested, f"Untested functions: {untested}"
 
 all_tests = [
     test_pyflint,
+    test_showgood,
     test_fmpz,
     test_fmpz_factor,
     test_fmpz_functions,
@@ -2441,9 +2448,12 @@ def setbad(obj, i, val):
     test_nmod,
     test_nmod_poly,
     test_nmod_mat,
+    test_nmod_series,
     test_arb,
     test_fmpz_mod,
     test_fmpz_mod_dlog,
     test_fmpz_mod_poly,
     test_polys,
+    test_pickling,
+    test_all_tests,
 ]