diff --git a/DESCRIPTION b/DESCRIPTION
index 6baca9b..ec87175 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -46,7 +46,7 @@ Suggests: GenomeInfoDb, Biobase, AnnotationDbi, annotate,
 	TxDb.Dmelanogaster.UCSC.dm3.ensGene,
 	TxDb.Hsapiens.UCSC.hg38.knownGene,
 	TxDb.Mmusculus.UCSC.mm10.knownGene,
-	RUnit, digest, knitr, rmarkdown, BiocStyle
+	RUnit, digest, knitr, rmarkdown, BiocStyle, XVector
 VignetteBuilder: knitr
 Collate: normarg-utils.R
 	utils.R
diff --git a/man/GRangesList-class.Rd b/man/GRangesList-class.Rd
index 0d3941b..3073498 100644
--- a/man/GRangesList-class.Rd
+++ b/man/GRangesList-class.Rd
@@ -398,7 +398,9 @@ as(grl, "IRangesList")
 isDisjoint(grl)
 
 ## disjoin():
+\dontshow{if (requireNamespace("XVector", quietly=TRUE)) withAutoprint(}
 disjoin(grl)  # metadata columns and order NOT preserved
+\dontshow{)}
 
 ## Construction with makeGRangesListFromFeatureFragments():
 filepath <- system.file("extdata", "feature_frags.txt",
diff --git a/man/inter-range-methods.Rd b/man/inter-range-methods.Rd
index e941455..b16a6ff 100644
--- a/man/inter-range-methods.Rd
+++ b/man/inter-range-methods.Rd
@@ -167,6 +167,7 @@ gr3 <- GRanges(seqnames=c("chr1", "chr2"),
 grl <- GRangesList(gr1=gr1, gr2=gr2, gr3=gr3)
 grl
 
+\dontshow{if (requireNamespace("XVector", quietly=TRUE)) withAutoprint(\{}
 ## ---------------------------------------------------------------------
 ## range()
 ## ---------------------------------------------------------------------
@@ -179,6 +180,7 @@ range(gr, with.revmap=TRUE)
 range(grl)
 range(grl, ignore.strand=TRUE)
 range(grl, with.revmap=TRUE, ignore.strand=TRUE)
+\dontshow{\})}
 
 # ---------------------------------------------------------------------
 ## reduce()