Merge-mark #448

Job	Run time
build (gcc)	1m 49s
test (gcc)	4m 10s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 58s
test (gcc, --disable-xft)	4m 15s
build (gcc, --disable-shared)	1m 38s
test (gcc, --enable-symbols)	4m 37s
build (gcc, --disable-xft)	2m 12s
build (gcc, --disable-xss)	1m 39s
build (gcc, --enable-symbols)	1m 12s
build (clang)	1m 56s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 50s
build (clang, --disable-shared)	2m 18s
build (clang, --disable-xft)	2m 22s
build (clang, --disable-xss)	1m 57s
build (clang, --enable-symbols)	1m 33s
	35m 26s

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