Cherry-pick 2 trivial fixes from 'documentation-cleanup-for-transitio… #4558

Job	Run time
gcc	3m 41s
gcc (CFLAGS=-DTCL_NO_DEPRECATED=1)	3m 43s
gcc (--disable-shared)	3m 41s
gcc (--disable-zipfs)	3m 41s
gcc (--enable-symbols)	3m 42s
gcc (--enable-symbols=mem)	5m 2s
gcc (--enable-symbols=all)	6m 26s
gcc (CFLAGS=-ftrapv)	3m 56s
gcc (CFLAGS=-m32 CPPFLAGS=-m32 LDFLAGS=-m32 --disable-64bit)	4m 14s
	38m 6s

Provide feedback