# Patch-overlapping Python context after the fix

## `Lib/fontTools/subset/svg.py` — `function:subset_glyphs` (lines 193-254)

```python
def subset_glyphs(self, s) -> bool:
    if etree is None:
        raise ImportError("No module named 'lxml', required to subset SVG")

    # glyph names (before subsetting)
    glyph_order: List[str] = s.orig_glyph_order
    # map from glyph names to original glyph indices
    rev_orig_glyph_map: Dict[str, int] = s.reverseOrigGlyphMap
    # map from original to new glyph indices (after subsetting)
    glyph_index_map: Dict[int, int] = s.glyph_index_map

    new_docs: List[SVGDocument] = []
    for doc in self.docList:

        glyphs = {
            glyph_order[i] for i in range(doc.startGlyphID, doc.endGlyphID + 1)
        }.intersection(s.glyphs)
        if not glyphs:
            # no intersection: we can drop the whole record
            continue

        svg = etree.fromstring(
            # encode because fromstring dislikes xml encoding decl if input is str.
            # SVG xml encoding must be utf-8 as per OT spec.
            doc.data.encode("utf-8"),
            parser=etree.XMLParser(
                # Disable libxml2 security restrictions to support very deep trees.
                # Without this we would get an error like this:
                # `lxml.etree.XMLSyntaxError: internal error: Huge input lookup`
                # when parsing big fonts e.g. noto-emoji-picosvg.ttf.
                huge_tree=True,
                # ignore blank text as it's not meaningful in OT-SVG; it also prevents
                # dangling tail text after removing an element when pretty_print=True
                remove_blank_text=True,
                # don't replace entities; we don't expect any in OT-SVG and they may
                # aboused for XXE attacks
                resolve_entities=False,
            ),
        )

        elements = group_elements_by_id(svg)
        gids = {rev_orig_glyph_map[g] for g in glyphs}
        element_ids = {f"glyph{i}" for i in gids}
        closure_element_ids(elements, element_ids)

        if not subset_elements(svg, element_ids):
            continue

        if not s.options.retain_gids:
            id_map = remap_glyph_ids(svg, glyph_index_map)
            update_glyph_href_links(svg, id_map)

        new_doc = etree.tostring(svg, pretty_print=s.options.pretty_svg).decode("utf-8")

        new_gids = (glyph_index_map[i] for i in gids)
        for start, end in ranges(new_gids):
            new_docs.append(SVGDocument(new_doc, start, end, doc.compressed))

    self.docList = new_docs

    return bool(self.docList)
```