docs: keep neutral wording on every site page

The gaps page called each platform's file a corrected list, a word the
exports page test already kept off that page. The test now reads the
text of every site generator.

scripts/generate_site.py

@@ -398,7 +398,7 @@ def generate_home(
             "",
             "    Platform lists are checked against emulator source code, file "
             "by file where a profile exists ([how far that reaches](gaps.md)). "
-            "Documentation and metadata can drift from actual runtime behavior, "
+            "Documentation and metadata can differ from actual runtime behavior, "
             "so the source is the primary reference.",
             "",
             "    1. **Upstream emulator source**: what the original project "
@@ -1805,7 +1805,7 @@ def _render_platform_systems(
     return lines
 
 
-# Platforms with a corrected file published by export_native.py.
+# Platforms with an updated file published by export_native.py.
 _EXPORTED: set[str] = set()
 
 
@@ -2219,7 +2219,7 @@ def generate_provenance_page(
         'orange (<span class="rb-badge rb-badge-warning">TOSEC</span>) where '
         "TOSEC flags the dump as bad, overdumped, hacked, cracked or fixed. "
         "Arcade ROM sets and engine data "
-        "sit outside what those catalogs index, so they are left out of the "
+        "sit outside what those catalogs index, so they are excluded from the "
         "ratio rather than counted as failures.",
         "",
         "## What the badge means",
@@ -2861,7 +2861,7 @@ def _render_emulator_file(
         details.append("Installed by the platform's own package on: "
                        + ", ".join(sorted(f["installed_on"])))
     if f.get("not_bundled_on"):
-        details.append("Left out by the platform's package, so the pack brings it, on: "
+        details.append("Not in the platform's package, so the pack brings it, on: "
                        + ", ".join(sorted(f["not_bundled_on"])))
     if f.get("unread_on"):
         details.append("Never opened on these platforms, whose launcher names other files: "
@@ -3805,8 +3805,9 @@ def generate_gap_analysis(
         "only authority for its files.",
         "",
         "The same comparison drives `scripts/exporter/`: each platform's "
-        "corrected list can be regenerated in its native format "
-        "(System.dat, es_bios.xml, batocera-systems.json, ...).",
+        "own file can be regenerated in its native format with these "
+        "differences applied (System.dat, es_bios.xml, "
+        "batocera-systems.json, ...).",
         "",
     ])
 

tests/test_site_render.py

@@ -80,5 +80,36 @@ class IconCacheIsReplacedWhole(unittest.TestCase):
         atomic.assert_called_once()
 
 
+class EveryPageAddressesPlatformsAsPeers(unittest.TestCase):
+    """The exports page was held to neutral wording, and the gaps page next
+    to it still called each platform's file a "corrected list". Reads the
+    text every site generator writes, docstrings and bare identifiers aside."""
+
+    WORDS = ("their file", "theirs", "of ours", "corrected", "left out", "drift")
+    SOURCES = ("generate_site.py", "siterender.py", "sitesources.py", "siteexports.py")
+
+    def test_no_page_text_judges_another_project(self):
+        import ast
+        import re
+
+        found = []
+        for name in self.SOURCES:
+            tree = ast.parse((REPO_ROOT / "scripts" / name).read_text(encoding="utf-8"))
+            docstrings = {
+                id(node.body[0].value) for node in ast.walk(tree)
+                if isinstance(node, (ast.Module, ast.ClassDef, ast.FunctionDef,
+                                     ast.AsyncFunctionDef))
+                and ast.get_docstring(node, clean=False) is not None
+            }
+            for node in ast.walk(tree):
+                if (not isinstance(node, ast.Constant) or not isinstance(node.value, str)
+                        or id(node) in docstrings or re.fullmatch(r"\w+", node.value)):
+                    continue
+                text = node.value.lower()
+                found += [f"{name}:{node.lineno} {word!r}"
+                          for word in self.WORDS if word in text]
+        self.assertEqual(found, [])
+
+
 if __name__ == "__main__":
     unittest.main()