Fix [a84de1a4d3]: Documentation errors, last remaining errors (after … #426

Job	Run time
test (gcc)	3m 49s
build (gcc)	1m 39s
test (gcc, --disable-xft)	3m 47s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 42s
test (gcc, --enable-symbols)	3m 42s
build (gcc, --disable-shared)	1m 40s
build (gcc, --disable-xft)	1m 57s
build (gcc, --disable-xss)	1m 39s
build (gcc, --enable-symbols)	1m 13s
build (clang)	1m 49s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 49s
build (clang, --disable-shared)	1m 53s
build (clang, --disable-xft)	1m 47s
build (clang, --disable-xss)	1m 57s
build (clang, --enable-symbols)	1m 30s
	31m 53s

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