PEP 676: Implementation updates (#2208)

.github/workflows/deploy-gh-pages.yaml

@@ -14,26 +14,16 @@ jobs:
         with:
           fetch-depth: 0  # fetch all history so that last modified date-times are accurate
 
-      - name: 🐍 Set up Python 3.9
+      - name: 🐍 Set up Python 3
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: 3
-
+          cache: "pip"
-      - name: 🧳 Cache pip
-        uses: actions/cache@v2
-        with:
-          # This path is specific to Ubuntu
-          path: ~/.cache/pip
-          # Look to see if there is a cache hit for the corresponding requirements file
-          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
-            ${{ runner.os }}-
 
       - name: 👷‍ Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt
+          python -m pip install -r requirements.txt
 
       - name: 🔧 Build PEPs
         run: make pages -j$(nproc)

Makefile

@@ -62,7 +62,7 @@ SPHINX_BUILD=$(PYTHON) build.py -j $(SPHINX_JOBS)
 
 # TODO replace `rss:` with this when merged & tested
 pep_rss:
-	$(PYTHON) pep_rss_gen.py
+	$(PYTHON) generate_rss.py
 
 pages: pep_rss
 	$(SPHINX_BUILD) --index-file

build.py

@@ -70,8 +70,6 @@ if __name__ == "__main__":
         warningiserror=args.fail_on_warning,
         parallel=args.jobs,
     )
-    app.builder.copysource = False  # Prevent unneeded source copying - we link direct to GitHub
-    app.builder.search = False  # Disable search
     app.build()
     
     if args.index_file:

conf.py

@@ -43,16 +43,14 @@ exclude_patterns = [
 
 # HTML output settings
 html_math_renderer = "maths_to_html"  # Maths rendering
-html_show_copyright = False  # Turn off miscellany
-html_show_sphinx = False
 html_title = "peps.python.org"  # Set <title/>
 
 # Theme settings
 html_theme_path = ["pep_sphinx_extensions"]
 html_theme = "pep_theme"  # The actual theme directory (child of html_theme_path)
 html_use_index = False  # Disable index (we use PEP 0)
-html_sourcelink_suffix = ""  # Fix links to GitHub (don't append .txt)
 html_style = ""  # must be defined here or in theme.conf, but is unused
 html_permalinks = False  # handled in the PEPContents transform
+gettext_auto_build = False  # speed-ups
 
 templates_path = ['pep_sphinx_extensions/pep_theme/templates']  # Theme template relative paths from `confdir`

generate_rss.py

@@ -1,13 +1,11 @@
 import datetime
 import email.utils
 from pathlib import Path
-import re
 
-from dateutil import parser
+from docutils import frontend
-import docutils.frontend
+from docutils import nodes
-import docutils.nodes
+from docutils import utils
-import docutils.parsers.rst
+from docutils.parsers import rst
-import docutils.utils
 from feedgen import entry
 from feedgen import feed
 
@@ -44,37 +42,26 @@ def first_line_starting_with(full_path: Path, text: str) -> str:
 
 def pep_creation(full_path: Path) -> datetime.datetime:
     created_str = first_line_starting_with(full_path, "Created:")
-    # bleh, I was hoping to avoid re but some PEPs editorialize on the Created line
+    if full_path.stem == "pep-0102":
-    # (note as of Aug 2020 only PEP 102 has additional content on the Created line)
+        # remove additional content on the Created line
-    m = re.search(r"(\d+[- ][\w\d]+[- ]\d{2,4})", created_str)
+        created_str = created_str.split(" ", 1)[0]
-    if not m:
+    return datetime.datetime.strptime(created_str, "%d-%b-%Y")
-        # some older ones have an empty line, that's okay, if it's old we ipso facto don't care about it.
-        # "return None" would make the most sense but datetime objects refuse to compare with that. :-|
-        return datetime.datetime(1900, 1, 1)
-    created_str = m.group(1)
-    try:
-        return parser.parse(created_str, dayfirst=True)
-    except (ValueError, OverflowError):
-        return datetime.datetime(1900, 1, 1)
 
 
-def parse_rst(text: str) -> docutils.nodes.document:
+def parse_rst(text: str) -> nodes.document:
-    rst_parser = docutils.parsers.rst.Parser()
+    settings = frontend.OptionParser((rst.Parser,)).get_default_values()
-    components = (docutils.parsers.rst.Parser,)
+    document = utils.new_document('<rst-doc>', settings=settings)
-    settings = docutils.frontend.OptionParser(components=components).get_default_values()
+    rst.Parser().parse(text, document)
-    document = docutils.utils.new_document('<rst-doc>', settings=settings)
-    rst_parser.parse(text, document)
     return document
 
 
 def pep_abstract(full_path: Path) -> str:
     """Return the first paragraph of the PEP abstract"""
     text = full_path.read_text(encoding="utf-8")
-    for node in parse_rst(text):
+    # TODO replace .traverse with .findall when Sphinx updates to docutils>=0.18.1
-        if "<title>Abstract</title>" in str(node):
+    for node in parse_rst(text).traverse(nodes.section):
-            for child in node:
+        if node.next_node(nodes.title).astext() == "Abstract":
-                if child.tagname == "paragraph":
+            return node.next_node(nodes.paragraph).astext().strip().replace("\n", " ")
-                    return child.astext().strip().replace("\n", " ")
     return ""
 
 
@@ -119,7 +106,7 @@ def main():
     Newest Python Enhancement Proposals (PEPs) - Information on new
     language features, and some meta-information like release
     procedure and schedules.
-    """.replace("\n    ", " ").strip()
+    """
 
     # Setup feed generator
     fg = feed.FeedGenerator()
@@ -131,7 +118,7 @@ def main():
     fg.title("Newest Python PEPs")
     fg.link(href="https://www.python.org/dev/peps")
     fg.link(href="https://www.python.org/dev/peps/peps.rss", rel="self")
-    fg.description(desc)
+    fg.description(" ".join(desc.split()))
     fg.lastBuildDate(datetime.datetime.utcnow().replace(tzinfo=datetime.timezone.utc))
 
     # Add PEP information (ordered by newest first)

pep-0456.txt

@@ -529,7 +529,7 @@ not affect any application code.
 
 The benchmarks were conducted on CPython default branch revision b08868fd5994
 and the PEP repository [pep-456-repos]_. All upstream changes were merged
-into the pep-456 branch. The "performance" CPU governor was configured and
+into the ``pep-456`` branch. The "performance" CPU governor was configured and
 almost all programs were stopped so the benchmarks were able to utilize
 TurboBoost and the CPU caches as much as possible. The raw benchmark results
 of multiple machines and platforms are made available at [benchmarks]_.

pep_sphinx_extensions/__init__.py

@@ -4,11 +4,12 @@ from __future__ import annotations
 
 from typing import TYPE_CHECKING
 
+from docutils import nodes
+from docutils.parsers.rst import states
 from docutils.writers.html5_polyglot import HTMLTranslator
-from sphinx.environment import BuildEnvironment
+from sphinx import environment
-from sphinx.environment import default_settings
 
-from pep_sphinx_extensions import config
+from pep_sphinx_extensions.pep_processor.html import pep_html_builder
 from pep_sphinx_extensions.pep_processor.html import pep_html_translator
 from pep_sphinx_extensions.pep_processor.parsing import pep_parser
 from pep_sphinx_extensions.pep_processor.parsing import pep_role
@@ -20,17 +21,16 @@ if TYPE_CHECKING:
 # Monkeypatch sphinx.environment.default_settings as Sphinx doesn't allow custom settings or Readers
 # These settings should go in docutils.conf, but are overridden here for now so as not to affect
 # pep2html.py
-default_settings |= {
+environment.default_settings |= {
     "pep_references": True,
     "rfc_references": True,
     "pep_base_url": "",
-    "pep_file_url_template": "pep-%04d.html",
+    "pep_file_url_template": "",
     "_disable_config": True,  # disable using docutils.conf whilst running both PEP generators
 }
 
-# Monkeypatch sphinx.environment.BuildEnvironment.collect_relations, as it takes a long time
+# TODO replace all inlined PEP and RFC strings with marked-up roles, disable pep_references and rfc_references and remove this monkey-patch
-# and we don't use the parent/next/prev functionality
+states.Inliner.pep_reference = lambda s, m, _l: [nodes.reference("", m.group(0), refuri=s.document.settings.pep_url.format(int(m.group("pepnum2"))))]
-BuildEnvironment.collect_relations = lambda self: {}
 
 
 def _depart_maths():
@@ -39,14 +39,17 @@ def _depart_maths():
 
 def _update_config_for_builder(app: Sphinx):
     if app.builder.name == "dirhtml":
-        config.pep_url = f"../{config.pep_stem}"
+        environment.default_settings["pep_url"] = "../pep-{:0>4}"
-        app.env.settings["pep_file_url_template"] = "../pep-%04d"
 
 
 def setup(app: Sphinx) -> dict[str, bool]:
     """Initialize Sphinx extension."""
 
+    environment.default_settings["pep_url"] = "pep-{:0>4}.html"
+
     # Register plugin logic
+    app.add_builder(pep_html_builder.FileBuilder, override=True)
+    app.add_builder(pep_html_builder.DirectoryBuilder, override=True)
     app.add_source_parser(pep_parser.PEPParser)  # Add PEP transforms
     app.add_role("pep", pep_role.PEPRole(), override=True)  # Transform PEP references to links
     app.set_translator("html", pep_html_translator.PEPTranslator)  # Docutils Node Visitor overrides (html builder)

pep_sphinx_extensions/config.py

@@ -1,6 +0,0 @@
-"""Miscellaneous configuration variables for the PEP Sphinx extensions."""
-
-pep_stem = "pep-{:0>4}"
-pep_url = f"{pep_stem}.html"
-pep_vcs_url = "https://github.com/python/peps/blob/main/"
-pep_commits_url = "https://github.com/python/peps/commits/main/"

pep_sphinx_extensions/pep_processor/html/pep_html_builder.py

@@ -0,0 +1,50 @@
+from pathlib import Path
+
+from docutils import nodes
+from docutils.frontend import OptionParser
+from sphinx.builders.html import StandaloneHTMLBuilder
+from sphinx.writers.html import HTMLWriter
+
+from sphinx.builders.dirhtml import DirectoryHTMLBuilder
+
+
+class FileBuilder(StandaloneHTMLBuilder):
+    copysource = False  # Prevent unneeded source copying - we link direct to GitHub
+    search = False  # Disable search
+
+    # Things we don't use but that need to exist:
+    indexer = None
+    relations = {}
+    _script_files = _css_files = []
+
+    def prepare_writing(self, _doc_names: set[str]) -> None:
+        self.docwriter = HTMLWriter(self)
+        _opt_parser = OptionParser([self.docwriter], defaults=self.env.settings, read_config_files=True)
+        self.docsettings = _opt_parser.get_default_values()
+        self.globalcontext = {"docstitle": self.config.html_title, "script_files": [], "css_files": []}
+
+    def get_doc_context(self, docname: str, body: str, _metatags: str) -> dict:
+        """Collect items for the template context of a page."""
+        try:
+            title = self.env.longtitles[docname].astext()
+        except KeyError:
+            title = ""
+
+        # source filename
+        file_is_rst = Path(self.env.srcdir, docname + ".rst").exists()
+        source_name = f"{docname}.rst" if file_is_rst else f"{docname}.txt"
+
+        # local table of contents
+        toc_tree = self.env.tocs[docname].deepcopy()
+        for node in toc_tree.traverse(nodes.reference):
+            node["refuri"] = node["anchorname"] or '#'  # fix targets
+        toc = self.render_partial(toc_tree)["fragment"]
+
+        return {"title": title, "sourcename": source_name, "toc": toc, "body": body}
+
+
+class DirectoryBuilder(FileBuilder):
+    # sync all overwritten things from DirectoryHTMLBuilder
+    name = DirectoryHTMLBuilder.name
+    get_target_uri = DirectoryHTMLBuilder.get_target_uri
+    get_outfilename = DirectoryHTMLBuilder.get_outfilename

pep_sphinx_extensions/pep_processor/html/pep_html_translator.py

@@ -57,26 +57,34 @@ class PEPTranslator(html5.HTML5Translator):
         """Add corresponding end tag from `visit_paragraph`."""
         self.body.append(self.context.pop())
 
+    def visit_footnote_reference(self, node):
+        self.body.append(self.starttag(node, "a", suffix="[",
+            CLASS=f"footnote-reference {self.settings.footnote_references}",
+            href=f"#{node['refid']}"
+        ))
+
+    def depart_footnote_reference(self, node):
+        self.body.append(']</a>')
+
+    def visit_label(self, node):
+        # pass parent node to get id into starttag:
+        self.body.append(self.starttag(node.parent, "dt", suffix="[", CLASS="label"))
+
+        # footnote/citation backrefs:
+        back_refs = node.parent["backrefs"]
+        if self.settings.footnote_backlinks and len(back_refs) == 1:
+            self.body.append(f'<a href="#{back_refs[0]}">')
+            self.context.append(f"</a>]")
+        else:
+            self.context.append("]")
+
     def depart_label(self, node) -> None:
         """PEP link/citation block cleanup with italicised backlinks."""
-        if not self.settings.footnote_backlinks:
+        self.body.append(self.context.pop())
-            self.body.append("</span>")
+        back_refs = node.parent["backrefs"]
-            self.body.append("</dt>\n<dd>")
+        if self.settings.footnote_backlinks and len(back_refs) > 1:
-            return
+            back_links = ", ".join(f"<a href='#{ref}'>{i}</a>" for i, ref in enumerate(back_refs, start=1))
-
+            self.body.append(f"<em> ({back_links}) </em>")
-        # If only one reference to this footnote
-        back_references = node.parent["backrefs"]
-        if len(back_references) == 1:
-            self.body.append("</a>")
-
-        # Close the tag
-        self.body.append("</span>")
-
-        # If more than one reference
-        if len(back_references) > 1:
-            back_links = [f"<a href='#{ref}'>{i}</a>" for i, ref in enumerate(back_references, start=1)]
-            back_links_str = ", ".join(back_links)
-            self.body.append(f"<span class='fn-backref''><em> ({back_links_str}) </em></span>")
 
         # Close the def tags
         self.body.append("</dt>\n<dd>")

pep_sphinx_extensions/pep_processor/parsing/pep_role.py

@@ -1,15 +1,14 @@
 from sphinx import roles
 
-from pep_sphinx_extensions import config
-
 
 class PEPRole(roles.PEP):
     """Override the :pep: role"""
+    # TODO override the entire thing (internal should be True)
 
     def build_uri(self) -> str:
         """Get PEP URI from role text."""
         pep_str, _, fragment = self.target.partition("#")
-        pep_base = config.pep_url.format(int(pep_str))
+        pep_base = self.inliner.document.settings.pep_url.format(int(pep_str))
         if fragment:
             return f"{pep_base}#{fragment}"
         return pep_base

pep_sphinx_extensions/pep_processor/transforms/pep_footer.py

@@ -5,8 +5,6 @@ import subprocess
 from docutils import nodes
 from docutils import transforms
 
-from pep_sphinx_extensions import config
-
 
 class PEPFooter(transforms.Transform):
     """Footer transforms for PEPs.
@@ -49,21 +47,49 @@ class PEPFooter(transforms.Transform):
 
 def _add_source_link(pep_source_path: Path) -> nodes.paragraph:
     """Add link to source text on VCS (GitHub)"""
-    source_link = config.pep_vcs_url + pep_source_path.name
+    source_link = f"https://github.com/python/peps/blob/main/{pep_source_path.name}"
     link_node = nodes.reference("", source_link, refuri=source_link)
     return nodes.paragraph("", "Source: ", link_node)
 
 
 def _add_commit_history_info(pep_source_path: Path) -> nodes.paragraph:
     """Use local git history to find last modified date."""
-    args = ["git", "--no-pager", "log", "-1", "--format=%at", pep_source_path.name]
     try:
-        file_modified = subprocess.check_output(args)
+        since_epoch = LAST_MODIFIED_TIMES[pep_source_path.name]
-        since_epoch = file_modified.decode("utf-8").strip()
+    except KeyError:
-        dt = datetime.datetime.utcfromtimestamp(float(since_epoch))
-    except (subprocess.CalledProcessError, ValueError):
         return nodes.paragraph()
 
-    commit_link = config.pep_commits_url + pep_source_path.name
+    iso_time = datetime.datetime.utcfromtimestamp(since_epoch).isoformat(sep=" ")
-    link_node = nodes.reference("", f"{dt.isoformat(sep=' ')} GMT", refuri=commit_link)
+    commit_link = f"https://github.com/python/peps/commits/main/{pep_source_path.name}"
+    link_node = nodes.reference("", f"{iso_time} GMT", refuri=commit_link)
     return nodes.paragraph("", "Last modified: ", link_node)
+
+
+def _get_last_modified_timestamps():
+    # get timestamps and changed files from all commits (without paging results)
+    args = ["git", "--no-pager", "log", "--format=#%at", "--name-only"]
+    with subprocess.Popen(args, stdout=subprocess.PIPE) as process:
+        all_modified = process.stdout.read().decode("utf-8")
+        process.stdout.close()
+        if process.wait():  # non-zero return code
+            return {}
+
+    # set up the dictionary with the *current* files
+    last_modified = {path.name: 0 for path in Path().glob("pep-*") if path.suffix in {".txt", ".rst"}}
+
+    # iterate through newest to oldest, updating per file timestamps
+    change_sets = all_modified.removeprefix("#").split("#")
+    for change_set in change_sets:
+        timestamp, files = change_set.split("\n", 1)
+        for file in files.strip().split("\n"):
+            if file.startswith("pep-") and file[-3:] in {"txt", "rst"}:
+                if last_modified.get(file) == 0:
+                    try:
+                        last_modified[file] = float(timestamp)
+                    except ValueError:
+                        pass  # if float conversion fails
+
+    return last_modified
+
+
+LAST_MODIFIED_TIMES = _get_last_modified_timestamps()

pep_sphinx_extensions/pep_processor/transforms/pep_headers.py

@@ -1,5 +1,3 @@
-from __future__ import annotations
-
 from pathlib import Path
 import re
 
@@ -7,8 +5,8 @@ from docutils import nodes
 from docutils import transforms
 from sphinx import errors
 
-from pep_sphinx_extensions import config
 from pep_sphinx_extensions.pep_processor.transforms import pep_zero
+from pep_sphinx_extensions.pep_processor.transforms.pep_zero import _mask_email
 
 
 class PEPParsingError(errors.SphinxError):
@@ -79,9 +77,9 @@ class PEPHeaders(transforms.Transform):
             elif name in {"replaces", "superseded-by", "requires"}:
                 # replace PEP numbers with normalised list of links to PEPs
                 new_body = []
-                for ref_pep in re.split(r",?\s+", body.astext()):
+                for pep_str in re.split(r",?\s+", body.astext()):
-                    new_body += [nodes.reference("", ref_pep, refuri=config.pep_url.format(int(ref_pep)))]
+                    target = self.document.settings.pep_url.format(int(pep_str))
-                    new_body += [nodes.Text(", ")]
+                    new_body += [nodes.reference("", pep_str, refuri=target), nodes.Text(", ")]
                 para[:] = new_body[:-1]  # drop trailing space
             elif name in {"last-modified", "content-type", "version"}:
                 # Mark unneeded fields
@@ -90,25 +88,3 @@ class PEPHeaders(transforms.Transform):
         # Remove unneeded fields
         for field in fields_to_remove:
             field.parent.remove(field)
-
-
-def _mask_email(ref: nodes.reference, pep_num: int | None = None) -> nodes.reference:
-    """Mask the email address in `ref` and return a replacement node.
-
-    `ref` is returned unchanged if it contains no email address.
-
-    If given an email not explicitly whitelisted, process it such that
-    `user@host` -> `user at host`.
-
-    If given a PEP number `pep_num`, add a default email subject.
-
-    """
-    if "refuri" not in ref or not ref["refuri"].startswith("mailto:"):
-        return ref
-    non_masked_addresses = {"peps@python.org", "python-list@python.org", "python-dev@python.org"}
-    if ref["refuri"].removeprefix("mailto:").strip() not in non_masked_addresses:
-        ref[0] = nodes.raw("", ref[0].replace("@", " at "), format="html")
-    if pep_num is None:
-        return ref[0]  # return email text without mailto link
-    ref["refuri"] += f"?subject=PEP%20{pep_num}"
-    return ref

pep_sphinx_extensions/pep_processor/transforms/pep_zero.py

@@ -1,8 +1,7 @@
+from __future__ import annotations
+
 from docutils import nodes
 from docutils import transforms
-from docutils.transforms import peps
-
-from pep_sphinx_extensions import config
 
 
 class PEPZero(transforms.Transform):
@@ -38,7 +37,7 @@ class PEPZeroSpecial(nodes.SparseNodeVisitor):
     @staticmethod
     def visit_reference(node: nodes.reference) -> None:
         """Mask email addresses if present."""
-        node.replace_self(peps.mask_email(node))
+        node.replace_self(_mask_email(node))
 
     @staticmethod
     def visit_field_list(node: nodes.field_list) -> None:
@@ -68,7 +67,30 @@ class PEPZeroSpecial(nodes.SparseNodeVisitor):
             if isinstance(para, nodes.paragraph) and len(para) == 1:
                 pep_str = para.astext()
                 try:
-                    ref = config.pep_url.format(int(pep_str))
+                    pep_num = int(pep_str)
-                    para[0] = nodes.reference(pep_str, pep_str, refuri=ref)
                 except ValueError:
-                    pass
+                    return
+                ref = self.document.settings.pep_url.format(pep_num)
+                para[0] = nodes.reference("", pep_str, refuri=ref)
+
+
+def _mask_email(ref: nodes.reference, pep_num: int | None = None) -> nodes.reference:
+    """Mask the email address in `ref` and return a replacement node.
+
+    `ref` is returned unchanged if it contains no email address.
+
+    If given an email not explicitly whitelisted, process it such that
+    `user@host` -> `user at host`.
+
+    If given a PEP number `pep_num`, add a default email subject.
+
+    """
+    if "refuri" not in ref or not ref["refuri"].startswith("mailto:"):
+        return ref
+    non_masked_addresses = {"peps@python.org", "python-list@python.org", "python-dev@python.org"}
+    if ref["refuri"].removeprefix("mailto:").strip() not in non_masked_addresses:
+        ref[0] = nodes.raw("", ref[0].replace("@", " at "), format="html")
+    if pep_num is None:
+        return ref[0]  # return email text without mailto link
+    ref["refuri"] += f"?subject=PEP%20{pep_num}"
+    return ref

pep_sphinx_extensions/pep_theme/static/doctools.js

@@ -1,5 +0,0 @@
-/* JavaScript utilities for all documentation. */
-
-// Footnote fixer
-document.querySelectorAll("span.brackets").forEach(el => el.innerHTML = "[" + el.innerHTML + "]")
-document.querySelectorAll("a.brackets").forEach(el => el.innerHTML = "[" + el.innerHTML + "]")

pep_sphinx_extensions/pep_theme/static/style.css

@@ -290,3 +290,6 @@ nav#pep-sidebar ul {
 nav#pep-sidebar ul a {
     text-decoration: none;
 }
+#source {
+    padding-bottom: 2rem;
+}

pep_sphinx_extensions/pep_theme/templates/page.html

@@ -29,9 +29,8 @@
             <h2>Contents</h2>
             {{ toc }}
             <br />
-            <strong><a href="https://github.com/python/peps/blob/main/{{sourcename}}">Page Source (GitHub)</a></strong>
+            <strong id="source"><a href="https://github.com/python/peps/blob/main/{{sourcename}}">Page Source (GitHub)</a></strong>
         </nav>
     </section>
-    <script src="{{ pathto('_static/doctools.js', resource=True) }}"></script>
 </body>
 </html>

pep_sphinx_extensions/pep_zero_generator/writer.py

@@ -49,16 +49,12 @@ Created: 13-Jul-2000
 
 intro = """\
 This PEP contains the index of all Python Enhancement Proposals,
-known as PEPs.  PEP numbers are assigned by the PEP editors, and
+known as PEPs.  PEP numbers are :pep:`assigned <1#pep-editors>`
-once assigned are never changed [1_].  The version control history [2_] of
+by the PEP editors, and once assigned are never changed.  The
+`version control history <https://github.com/python/peps>`_ of
 the PEP texts represent their historical record.
 """
 
-references = """\
-.. [1] PEP 1: PEP Purpose and Guidelines
-.. [2] View PEP history online: https://github.com/python/peps
-"""
-
 
 class PEPZeroWriter:
     # This is a list of reserved PEP numbers.  Reservations are not to be used for
@@ -100,17 +96,16 @@ class PEPZeroWriter:
         self.emit_pep_row({"status": ".", "type": ".", "number": "PEP", "title": "PEP Title", "authors": "PEP Author(s)"})
         self.emit_table_separator()
 
-    def emit_title(self, text: str, anchor: str, *, symbol: str = "=") -> None:
+    def emit_title(self, text: str, *, symbol: str = "=") -> None:
-        self.output.append(f".. _{anchor}:\n")
         self.output.append(text)
         self.output.append(symbol * len(text))
         self.emit_newline()
 
-    def emit_subtitle(self, text: str, anchor: str) -> None:
+    def emit_subtitle(self, text: str) -> None:
-        self.emit_title(text, anchor, symbol="-")
+        self.emit_title(text, symbol="-")
 
-    def emit_pep_category(self, category: str, anchor: str, peps: list[PEP]) -> None:
+    def emit_pep_category(self, category: str, peps: list[PEP]) -> None:
-        self.emit_subtitle(category, anchor)
+        self.emit_subtitle(category)
         self.emit_column_headers()
         for pep in peps:
             self.output.append(column_format(**pep.details(title_length=title_length)))
@@ -124,44 +119,40 @@ class PEPZeroWriter:
         self.emit_newline()
 
         # Introduction
-        self.emit_title("Introduction", "intro")
+        self.emit_title("Introduction")
         self.emit_text(intro)
         self.emit_newline()
 
         # PEPs by category
-        self.emit_title("Index by Category", "by-category")
+        self.emit_title("Index by Category")
         meta, info, provisional, accepted, open_, finished, historical, deferred, dead = _classify_peps(peps)
         pep_categories = [
-            ("Meta-PEPs (PEPs about PEPs or Processes)", "by-category-meta", meta),
+            ("Meta-PEPs (PEPs about PEPs or Processes)", meta),
-            ("Other Informational PEPs", "by-category-other-info", info),
+            ("Other Informational PEPs", info),
-            ("Provisional PEPs (provisionally accepted; interface may still change)", "by-category-provisional", provisional),
+            ("Provisional PEPs (provisionally accepted; interface may still change)", provisional),
-            ("Accepted PEPs (accepted; may not be implemented yet)", "by-category-accepted", accepted),
+            ("Accepted PEPs (accepted; may not be implemented yet)", accepted),
-            ("Open PEPs (under consideration)", "by-category-open", open_),
+            ("Open PEPs (under consideration)", open_),
-            ("Finished PEPs (done, with a stable interface)", "by-category-finished", finished),
+            ("Finished PEPs (done, with a stable interface)", finished),
-            ("Historical Meta-PEPs and Informational PEPs", "by-category-historical", historical),
+            ("Historical Meta-PEPs and Informational PEPs", historical),
-            ("Deferred PEPs (postponed pending further research or updates)", "by-category-deferred", deferred),
+            ("Deferred PEPs (postponed pending further research or updates)", deferred),
-            ("Abandoned, Withdrawn, and Rejected PEPs", "by-category-abandoned", dead),
+            ("Abandoned, Withdrawn, and Rejected PEPs", dead),
         ]
-        for (category, anchor, peps_in_category) in pep_categories:
+        for (category, peps_in_category) in pep_categories:
-            self.emit_pep_category(category, anchor, peps_in_category)
+            self.emit_pep_category(category, peps_in_category)
 
         self.emit_newline()
 
         # PEPs by number
-        self.emit_title("Numerical Index", "by-pep-number")
+        self.emit_title("Numerical Index")
         self.emit_column_headers()
-        prev_pep = 0
         for pep in peps:
-            if pep.number - prev_pep > 1:
-                self.emit_newline()
             self.emit_pep_row(pep.details(title_length=title_length))
-            prev_pep = pep.number
 
         self.emit_table_separator()
         self.emit_newline()
 
         # Reserved PEP numbers
-        self.emit_title("Reserved PEP Numbers", "reserved")
+        self.emit_title("Reserved PEP Numbers")
         self.emit_column_headers()
         for number, claimants in sorted(self.RESERVED.items()):
             self.emit_pep_row({"type": ".", "status": ".", "number": number, "title": "RESERVED", "authors": claimants})
@@ -170,7 +161,7 @@ class PEPZeroWriter:
         self.emit_newline()
 
         # PEP types key
-        self.emit_title("PEP Types Key", "type-key")
+        self.emit_title("PEP Types Key")
         for type_ in sorted(TYPE_VALUES):
             self.emit_text(f"    {type_[0]} - {type_} PEP")
             self.emit_newline()
@@ -178,7 +169,7 @@ class PEPZeroWriter:
         self.emit_newline()
 
         # PEP status key
-        self.emit_title("PEP Status Key", "status-key")
+        self.emit_title("PEP Status Key")
         for status in sorted(STATUS_VALUES):
             # Draft PEPs have no status displayed, Active shares a key with Accepted
             if status in HIDE_STATUS:
@@ -195,7 +186,7 @@ class PEPZeroWriter:
         # PEP owners
         authors_dict = _verify_email_addresses(peps)
         max_name_len = max(len(author_name) for author_name in authors_dict)
-        self.emit_title("Authors/Owners", "authors")
+        self.emit_title("Authors/Owners")
         self.emit_author_table_separator(max_name_len)
         self.emit_text(f"{'Name':{max_name_len}}  Email Address")
         self.emit_author_table_separator(max_name_len)
@@ -207,10 +198,6 @@ class PEPZeroWriter:
         self.emit_newline()
         self.emit_newline()
 
-        # References for introduction footnotes
-        self.emit_title("References", "references")
-        self.emit_text(references)
-
         pep0_string = "\n".join([str(s) for s in self.output])
         return pep0_string