Merge 8.7 #401

Job	Run time
build (gcc)	1m 45s
test (gcc)	3m 55s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 38s
test (gcc, --disable-xft)	4m 28s
build (gcc, --disable-shared)	1m 38s
test (gcc, --enable-symbols)	3m 43s
build (gcc, --disable-xft)	1m 46s
build (gcc, --disable-xss)	1m 55s
build (gcc, --enable-symbols)	1m 12s
build (clang)	2m 22s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	2m 11s
build (clang, --disable-shared)	1m 45s
build (clang, --disable-xft)	2m 0s
build (clang, --disable-xss)	1m 55s
build (clang, --enable-symbols)	1m 26s
	33m 39s

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