Documentation fixes and cosmetic changes in the code in Develop #489

Job	Run time
mmg-debug / ci (ubuntu-20.04, on, off, on, off, int32_t)	1m 20s
mmg-debug / ci (ubuntu-20.04, on, off, off, off, int32_t)	1m 26s
mmg-debug / ci (ubuntu-20.04, off, off, on, off, int32_t)	1m 33s
mmg-debug / ci (ubuntu-20.04, off, off, off, off, int32_t)	1m 5s
mmg-debug / ci (macos-12, on, off, on, off, int32_t)	2m 11s
mmg-debug / ci (macos-12, on, off, off, off, int32_t)	2m 14s
mmg-debug / ci (macos-12, off, off, on, off, int32_t)	2m 43s
mmg-debug / ci (macos-12, off, off, off, off, int32_t)	1m 42s
mmg-debug / ci (ubuntu-20.04, off, off, off, on, int32_t)	2m 23s
mmg-debug / ci (macos-12, off, off, off, on, int32_t)	6m 43s
mmg-debug / ci (ubuntu-20.04, off, on, on, off, int32_t)	1m 40s
mmg-debug / ci (macos-12, off, on, on, off, int32_t)	2m 12s
mmg-debug / ci (windows-2022, off, off, off, off, int32_t)	51m 18s
mmg-debug / ci (windows-2022, on, off, off, off, int32_t)	52m 19s
mmg-debug / ci (windows-2022, off, on, off, off, int32_t)	53m 0s
mmg-debug / ci (ubuntu-20.04, on, on, on, on, int64_t)	5m 35s
mmg-debug / ci (ubuntu-20.04, off, off, off, off, int64_t)	1m 23s
mmg-debug / ci (macos-12, on, on, on, on, int64_t)	7m 18s
mmg-debug / ci (macos-12, off, off, off, off, int64_t)	1m 45s
mmg-debug / ci (windows-2022, on, on, off, off, int64_t)	5m 25s
mmg-debug / ci (windows-2022, off, off, off, off, int64_t)	5m 42s
	3h 30m 57s

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