Fix [3e92a1c629]: Tk_NameToWindow doc incomplete description #672

Job	Run time
build (gcc)	1m 45s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 50s
test (gcc)	4m 11s
build (gcc, --disable-shared)	1m 40s
test (gcc, --disable-xft)	4m 15s
build (gcc, --disable-xft)	1m 53s
test (gcc, --enable-symbols)	3m 38s
build (gcc, --disable-xss)	1m 57s
build (gcc, --enable-symbols)	1m 24s
build (clang)	1m 48s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 59s
build (clang, --disable-shared)	1m 52s
build (clang, --disable-xft)	2m 6s
build (clang, --disable-xss)	1m 59s
build (clang, --enable-symbols)	1m 52s
	34m 9s

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