Add check for empty name_chars list when normalizing param names #1116

Job	Run time
Pre-build on macos-13 with clang	1m 51s
Pre-build on ubuntu-20.04 with gcc	1m 35s
Lint C++	19s
Lint Python (3.12, ubuntu-20.04)	10s
Pre-build on ubuntu-20.04 with clang	1m 58s
Build wheel for ${{ matrix.build }}	0s
Test 1 / 8 with Python 3.12 on ubuntu-20.04	1m 19s
Test 2 / 8 with Python 3.12 on ubuntu-20.04	1m 12s
Test 3 / 8 with Python 3.12 on ubuntu-20.04	1m 18s
Test 4 / 8 with Python 3.12 on ubuntu-20.04	1m 10s
Test 5 / 8 with Python 3.12 on ubuntu-20.04	1m 19s
Test 6 / 8 with Python 3.12 on ubuntu-20.04	1m 21s
Test 7 / 8 with Python 3.12 on ubuntu-20.04	1m 10s
Test 8 / 8 with Python 3.12 on ubuntu-20.04	1m 17s
Test with Python 3.7 on macos-13	9m 14s
Test with Python 3.8 on macos-13	10m 11s
Test with Python 3.9 on macos-13	8m 30s
Test with Python 3.10 on macos-13	9m 3s
Test with Python 3.11 on macos-13	8m 52s
Test with Python 3.12 on macos-13	9m 52s
Test with Python 3.7 on ubuntu-20.04	5m 9s
Test with Python 3.8 on ubuntu-20.04	5m 34s
Test with Python 3.9 on ubuntu-20.04	5m 38s
Test with Python 3.10 on ubuntu-20.04	5m 43s
Test with Python 3.11 on ubuntu-20.04	5m 55s
Test with Python 3.12 on ubuntu-20.04	5m 6s
Test with Python 3.12 on windows-latest	9m 10s
Test with Python 3.7 + Address Sanitizer	7m 15s
Test with Python 3.8 + Address Sanitizer	7m 43s
Test with Python 3.9 + Address Sanitizer	7m 47s
Test with Python 3.10 + Address Sanitizer	7m 31s
Test with Python 3.11 + Address Sanitizer	7m 55s
Upload wheels to PyPI	0s
	2h 32m 7s

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