mention that levels are retained

MichaelChirico · web-flow · commit ddc4ae987b51 · 2025-07-11T09:13:23.000-07:00
diff --git a/man/frev.Rd b/man/frev.Rd
@@ -14,7 +14,7 @@ frev(x)
 }
 
 \details{
-  \code{frev} does not retain attributes other than names and class (similar to \code{\link[base]{rev}}).
+  Similar to \code{\link[base]{rev}}, \code{frev} only retains three attributes: names, class, and factor levels.
 }
 
 \value{

Original file line number	Diff line number	Diff line change
`@@ -14,7 +14,7 @@ frev(x)`
`14`	`14`	`}`
`15`	`15`
`16`	`16`	`\details{`
`17`		`- \code{frev} does not retain attributes other than names and class (similar to \code{\link[base]{rev}}).`
	`17`	`+ Similar to \code{\link[base]{rev}}, \code{frev} only retains three attributes: names, class, and factor levels.`
`18`	`18`	`}`
`19`	`19`
`20`	`20`	`\value{`