diff --git a/README.md b/README.md
index 84b6fd0..efc1b1f 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 
 <!-- README.md is generated from README.Rmd. Please edit that file -->
+
 <!-- badges: start -->
 
 [![Codecov test
@@ -81,16 +82,11 @@ the `sf` package and read it in as an `sf` object:
 
 ``` r
 library(rmapshaper)
-#> The legacy packages maptools, rgdal, and rgeos, underpinning the sp package,
-#> which was just loaded, will retire in October 2023.
-#> Please refer to R-spatial evolution reports for details, especially
-#> https://r-spatial.org/r/2023/05/15/evolution4.html.
-#> It may be desirable to make the sf package available;
-#> package maintainers should consider adding sf to Suggests:.
-#> The sp package is now running under evolution status 2
-#>      (status 2 uses the sf package in place of rgdal)
 library(sf)
 #> Linking to GEOS 3.11.0, GDAL 3.5.3, PROJ 9.1.0; sf_use_s2() is TRUE
+```
+
+``` r
 
 file <- system.file("gpkg/nc.gpkg", package = "sf")
 nc_sf <- read_sf(file)
diff --git a/man/apply_mapshaper_commands.Rd b/man/apply_mapshaper_commands.Rd
index 7645475..cb9f6ca 100644
--- a/man/apply_mapshaper_commands.Rd
+++ b/man/apply_mapshaper_commands.Rd
@@ -40,7 +40,9 @@ Default \code{FALSE}. This can also be set globally with the option
 
 \item{gj2008}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
 }
 \value{
 geojson
diff --git a/man/ms_clip.Rd b/man/ms_clip.Rd
index e1cc788..d20626d 100644
--- a/man/ms_clip.Rd
+++ b/man/ms_clip.Rd
@@ -45,7 +45,9 @@ Default \code{FALSE}. This can also be set globally with the option
 \code{"mapshaper.sys_quiet"}}
     \item{\code{gj2008}}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
   }}
 }
 \value{
@@ -56,7 +58,7 @@ Removes portions of the target layer that fall outside the clipping layer or bou
 }
 \examples{
 
-if (rmapshaper:::v8_version() >= 6) {
+if (rmapshaper:::v8_version() >= "6") {
   library(geojsonsf, quietly = TRUE)
   library(sf)
 
diff --git a/man/ms_dissolve.Rd b/man/ms_dissolve.Rd
index 35451df..31a9dbd 100644
--- a/man/ms_dissolve.Rd
+++ b/man/ms_dissolve.Rd
@@ -52,7 +52,9 @@ Default \code{FALSE}. This can also be set globally with the option
 \code{"mapshaper.sys_quiet"}}
     \item{\code{gj2008}}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
   }}
 }
 \value{
diff --git a/man/ms_erase.Rd b/man/ms_erase.Rd
index 07b5b77..b724c5f 100644
--- a/man/ms_erase.Rd
+++ b/man/ms_erase.Rd
@@ -43,7 +43,9 @@ Default \code{FALSE}. This can also be set globally with the option
 \code{"mapshaper.sys_quiet"}}
     \item{\code{gj2008}}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
   }}
 }
 \value{
@@ -53,7 +55,7 @@ erased target in the same format as the input target
 Removes portions of the target layer that fall inside the erasing layer or bounding box.
 }
 \examples{
-if (rmapshaper:::v8_version() >= 6) {
+if (rmapshaper:::v8_version() >= "6") {
   library(geojsonsf, quietly = TRUE)
   library(sf)
 
diff --git a/man/ms_explode.Rd b/man/ms_explode.Rd
index 59b67c6..2ed2524 100644
--- a/man/ms_explode.Rd
+++ b/man/ms_explode.Rd
@@ -33,7 +33,9 @@ Default \code{FALSE}. This can also be set globally with the option
 \code{"mapshaper.sys_quiet"}}
     \item{\code{gj2008}}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
   }}
 }
 \value{
diff --git a/man/ms_filter_islands.Rd b/man/ms_filter_islands.Rd
index fc9bc29..80dab54 100644
--- a/man/ms_filter_islands.Rd
+++ b/man/ms_filter_islands.Rd
@@ -49,7 +49,9 @@ Default \code{FALSE}. This can also be set globally with the option
 \code{"mapshaper.sys_quiet"}}
     \item{\code{gj2008}}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
   }}
 }
 \value{
diff --git a/man/ms_innerlines.Rd b/man/ms_innerlines.Rd
index b078efc..8c5fc4e 100644
--- a/man/ms_innerlines.Rd
+++ b/man/ms_innerlines.Rd
@@ -33,7 +33,9 @@ Default \code{FALSE}. This can also be set globally with the option
 \code{"mapshaper.sys_quiet"}}
     \item{\code{gj2008}}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
   }}
 }
 \value{
diff --git a/man/ms_lines.Rd b/man/ms_lines.Rd
index 2b5ab3c..fd07234 100644
--- a/man/ms_lines.Rd
+++ b/man/ms_lines.Rd
@@ -40,7 +40,9 @@ Default \code{FALSE}. This can also be set globally with the option
 \code{"mapshaper.sys_quiet"}}
     \item{\code{gj2008}}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
   }}
 }
 \value{
diff --git a/man/ms_points.Rd b/man/ms_points.Rd
index bfa69f5..e14cf38 100644
--- a/man/ms_points.Rd
+++ b/man/ms_points.Rd
@@ -46,7 +46,9 @@ Default \code{FALSE}. This can also be set globally with the option
 \code{"mapshaper.sys_quiet"}}
     \item{\code{gj2008}}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
   }}
 }
 \value{
diff --git a/man/ms_simplify.Rd b/man/ms_simplify.Rd
index 83766d7..bda2a76 100644
--- a/man/ms_simplify.Rd
+++ b/man/ms_simplify.Rd
@@ -78,7 +78,9 @@ Default \code{FALSE}. This can also be set globally with the option
 \code{"mapshaper.sys_quiet"}}
     \item{\code{gj2008}}{Generate output that is consistent with the pre-RFC 7946
 GeoJSON spec (dating to 2008). Polygon rings are CW and holes are CCW,
-which is the opposite of the default RFC 7946-compatible output.}
+which is the opposite of the default RFC 7946-compatible output. This should
+be rarely needed, though may be useful when preparing data for D3-based
+data visualizations (such as \code{plotly::plot_ly()}). Default \code{FALSE}}
   }}
 }
 \value{