-\fB--recompress-slow\fR, \fB--compress-slow\fR
-Spend even more time compressing the data in order to achieve a more optimal
-compression ratio. For LZX ("maximum") compression, compared to the default
-\fB--recompress\fR this will make compression about twice as slow and may
-improve the compression ratio by maybe 1%, depending on the data. For LZMS
-("recovery") compression this option also has an effect. For XPRESS ("fast")
-compression this option has no effect; however you may use \fB--compress\fR=LZX
-\fB--recompress-slow\fR to change the compression type to LZX and recompress
-slowly, as per this option. In any case, this option implies
-\fB--recompress\fR.
-.TP
-\fB--compress\fR=\fITYPE\fR
-Recompress the WIM file using the specified compression type. \fITYPE\fR may be
-"none", "fast" (or "XPRESS"), or "maximum" (or "LZX"). This implies
+\fB--compress\fR=\fITYPE\fR[:\fILEVEL\fR]
+Recompress the WIM file using the specified compression type, and optionally the
+specified compression level for that compression type. This implies