Reference BIP-348, fix links in references

bip-PC.md

@@ -186,16 +186,17 @@ This document is licensed under the 3-clause BSD license.
 2. LN-Symmetry: [eltoo]
 3. OP_CAT: [BIP-347], [BIN-2024-0001]
 4. OP_CHECKTEMPLATEVERIFY: [BIP-119]
-5. OP_CHECKSIGFROMSTACK: [BIN-2024-0003]
+5. OP_CHECKSIGFROMSTACK: [BIP-348], [BIN-2024-0003]
 6. OP_INTERNALKEY: [BIP-349], [BIN-2024-0004]
 7. Tagged hash: [BIP-340]
 
 [lnhance]: https://github.com/lnhance/bitcoin
 [eltoo]: https://github.com/instagibbs/bolts/blob/eltoo_draft/XX-eltoo-transactions.md
 [BIP-119]: https://github.com/bitcoin/bips/tree/master/bip-0119.mediawiki
 [BIP-340]: https://github.com/bitcoin/bips/blob/master/bip-0340.mediawiki
-[BIP-347]: https://github.com/bitcoin/bips/blob/master/bip-0347.mediawiki
-[BIP-349]: https://github.com/bitcoin/bips/blob/master/bip-0349.mediawiki
+[BIP-347]: https://github.com/bitcoin/bips/blob/master/bip-0347.md
+[BIP-348]: https://github.com/bitcoin/bips/blob/master/bip-0348.md
+[BIP-349]: https://github.com/bitcoin/bips/blob/master/bip-0349.md
 [BIN-2024-0001]: https://github.com/bitcoin-inquisition/binana/blob/master/2024/BIN-2024-0001.md
 [BIN-2024-0003]: https://github.com/bitcoin-inquisition/binana/blob/master/2024/BIN-2024-0003.md
 [BIN-2024-0004]: https://github.com/bitcoin-inquisition/binana/blob/master/2024/BIN-2024-0004.md