fix doi linking

Author: thomasp85

R/geom_conn_bundle.R

@@ -53,7 +53,7 @@
 #' Holten, D. (2006). *Hierarchical edge bundles: visualization
 #' of adjacency relations in hierarchical data.* IEEE Transactions on
 #' Visualization and Computer Graphics, **12**(5), 741-748.
-#' <https://doi.org/10.1109/TVCG.2006.147>
+#' \doi{10.1109/TVCG.2006.147}
 #'
 #' @examples
 #' # Create a graph of the flare class system

R/layout_fabric.R

@@ -37,7 +37,7 @@
 #'
 #' Longabaugh, William J.R. (2012).
 #' *Combing the hairball with BioFabric: a new approach for visualization of large networks*.
-#' BMC Bioinformatics, 13: 275. <https://doi.org/10.1186/1471-2105-13-275>
+#' BMC Bioinformatics, 13: 275. \doi{10.1186/1471-2105-13-275}
 #'
 layout_tbl_graph_fabric <- function(graph, circular = FALSE, sort.by = NULL, shadow.edges = FALSE) {
   sort.by <- enquo(sort.by)

R/layout_matrix.R

@@ -27,7 +27,7 @@
 #' @references
 #' Behrisch, M., Bach, B., Riche, N. H., Schreck, T., Fekete, J.-D. (2016).
 #' *Matrix Reordering Methods for Table and Network Visualization*.
-#' Computer Graphics Forum, 35: 693–716. <https://doi.org/10.1111/cgf.12935>
+#' Computer Graphics Forum, 35: 693–716. \doi{10.1111/cgf.12935}
 #'
 layout_tbl_graph_matrix <- function(graph, circular = FALSE, sort.by = NULL) {
   sort.by <- enquo(sort.by)

R/layout_treemap.R

@@ -65,7 +65,7 @@
 #'
 #' Johnson, B., & Ben Shneiderman. (1991). *Tree maps: A Space-Filling
 #' Approach to the Visualization of Hierarchical Information Structures*. IEEE
-#' Visualization, 284-291. <https://doi.org/10.1109/VISUAL.1991.175815>
+#' Visualization, 284-291. \doi{10.1109/VISUAL.1991.175815}
 #'
 #' @family layout_tbl_graph_*
 #'