+.\" What is the difference between these two lines:
+.\" %(void{comp})%(trim)%(putstr)
+.\" %(putstr(trim{comp}))
+.\" The latter can be used as a single expression for %<.
+.\" It does make a difference for (decode) because in the former
+.\" way, wrapping (decode) with (void) can be necessary.
+.\" What is the preferred way?