Add row_group_label_position = first option
diff --git a/man/collapse_rows.Rd b/man/collapse_rows.Rd
index 8efcb55..a78e29d 100644
--- a/man/collapse_rows.Rd
+++ b/man/collapse_rows.Rd
@@ -9,7 +9,7 @@
columns = NULL,
valign = c("middle", "top", "bottom"),
latex_hline = c("full", "major", "none", "custom", "linespace"),
- row_group_label_position = c("identity", "stack"),
+ row_group_label_position = c("identity", "stack", "first"),
custom_latex_hline = NULL,
row_group_label_fonts = NULL,
headers_to_remove = NULL,
@@ -24,22 +24,25 @@
\item{columns}{A numeric value or vector indicating in which column(s) rows
need to be collapsed.}
-\item{valign}{Select from "top", "middle"(default), "bottom". The reason why
+\item{valign}{Select from "top", "middle" (default), "bottom". The reason why
"top" is not default is that the multirow package on CRAN win-builder is
-not up to date.}
+not up to date.
+Only used when \code{row_group_label_position} is \code{identity}.}
\item{latex_hline}{Option controlling the behavior of adding hlines to table.
Choose from \code{full}, \code{major}, \code{none}, \code{custom} and \code{linespace}.}
\item{row_group_label_position}{Option controlling positions of row group
-labels. Choose from \code{identity}, \code{stack}.}
+labels. Choose from \code{identity}, \code{stack}, or \code{first} -- the latter behaves
+like \code{identity} when \code{row_group_label_position} is \code{top} but without using
+the multirow package.}
\item{custom_latex_hline}{Numeric column positions whose collapsed rows will
be separated by hlines.}
\item{row_group_label_fonts}{A list of arguments that can be supplied to
group_rows function to format the row group label when
-\code{row_group_label_position} is \code{stack}}
+\code{row_group_label_position} is \code{stack}.}
\item{headers_to_remove}{Numeric column positions where headers should be
removed when they are stacked.}