Do not allow name characters immediately after a number #18239

Job	Run time
Event File	2s
Build Erlang/OTP (64-bit)	6m 4s
Build Erlang/OTP (iOS)	3m 51s
Build Erlang/OTP (Types and Flavors)	7m 45s
Build Erlang/OTP (macOS)	3m 21s
Build Erlang/OTP (32-bit)	9m 34s
Build Erlang/OTP (Windows)	14m 0s
Build Erlang/OTP (cross-compile)	14m 52s
Build Erlang/OTP (clang)	5m 11s
Build and check documentation	5m 6s
Run static analysis	6m 15s
Test Erlang/OTP (stdlib)	1h 7m 28s
Release Erlang/OTP	0s
Test Erlang/OTP (system)	7m 12s
	2h 30m 41s

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