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| <text x="200" y="18" font-family="monospace" font-size="12" fill="#333" text-anchor="middle" font-weight="bold">ST_GeoHashNeighbor</text> |
| <text x="200" y="32" font-family="monospace" font-size="9" fill="#888" text-anchor="middle">Get neighboring GeoHash cell in a direction</text> |
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| <text x="141" y="71" font-family="monospace" font-size="8" fill="#999" text-anchor="middle">NW</text> |
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| <text x="141" y="109" font-family="monospace" font-size="8" fill="#999" text-anchor="middle">W</text> |
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| <text x="141" y="147" font-family="monospace" font-size="8" fill="#999" text-anchor="middle">SW</text> |
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| <text x="179" y="71" font-family="monospace" font-size="8" fill="#999" text-anchor="middle">N</text> |
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| <text x="179" y="109" font-family="monospace" font-size="9" fill="#1565C0" text-anchor="middle" font-weight="bold">center</text> |
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| <text x="179" y="147" font-family="monospace" font-size="8" fill="#999" text-anchor="middle">S</text> |
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| <text x="217" y="71" font-family="monospace" font-size="8" fill="#999" text-anchor="middle">NE</text> |
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| <text x="217" y="109" font-family="monospace" font-size="8" fill="#C2185B" text-anchor="middle" font-weight="bold">E</text> |
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| <text x="217" y="147" font-family="monospace" font-size="8" fill="#999" text-anchor="middle">SE</text> |
| <text x="200" y="182" font-family="monospace" font-size="10" fill="#C2185B" text-anchor="middle">direction='E' → returns eastern neighbor</text> |
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