Migrate documentation to roxygen2md
Change-Id: If5370cd207770f3e05c6f5cd063bd2a414b92bcb
diff --git a/R/KorAPConnection.R b/R/KorAPConnection.R
index 83bfd5e..0919d4e 100644
--- a/R/KorAPConnection.R
+++ b/R/KorAPConnection.R
@@ -5,8 +5,8 @@
#' Class KorAPConnection
#'
-#' \code{KorAPConnection} objects represent the connection to a KorAP server.
-#' New \code{KorAPConnection} objects can be created by \code{new("KorAPConnection")}.
+#' `KorAPConnection` objects represent the connection to a KorAP server.
+#' New `KorAPConnection` objects can be created by `new("KorAPConnection")`.
#'
#' @import R.cache
#' @import utils
@@ -20,28 +20,28 @@
#' @param apiUrl URL of the KorAP web service.
#' @param accessToken OAuth2 access token. To use authorization based on an access token
#' in subsequent queries, initialize your KorAP connection with
-#' \code{kco <- new("KorAPConnection", accessToken="<access token>")}.
+#' `kco <- new("KorAPConnection", accessToken="<access token>")`.
#' In order to make the API
-#' token persistent for the currently used \code{KorAPUrl} (you can have one
+#' token persistent for the currently used `KorAPUrl` (you can have one
#' token per KorAPUrl / KorAP server instance), use
-#' \code{persistAccessToken(kco)}. This will store it in your keyring using the
-#' \code{\link{keyring}} package. Subsequent new("KorAPConnection") calls will
+#' `persistAccessToken(kco)`. This will store it in your keyring using the
+#' [keyring()] package. Subsequent new("KorAPConnection") calls will
#' then automatically retrieve the token from your keying. To stop using a
-#' persisted token, call \code{clearAccessToken(kco)}. Please note that for
+#' persisted token, call `clearAccessToken(kco)`. Please note that for
#' DeReKo, authorized queries will behave differently inside and outside the
#' IDS, because of the special license situation. This concerns also cached
#' results which do not take into account from where a request was issued. If
-#' you experience problems or unexpected results, please try \code{kco <-
-#' new("KorAPConnection", cache=FALSE)} or use
-#' \code{\link{clearCache}} to clear the cache completely.
+#' you experience problems or unexpected results, please try `kco <-
+#' new("KorAPConnection", cache=FALSE)` or use
+#' [clearCache()] to clear the cache completely.
#' @param userAgent user agent string.
#' @param timeout time out in seconds.
#' @param verbose logical. Decides whether following operations will default to
#' be verbose.
#' @param cache logical. Decides if API calls are cached locally. You can clear
-#' the cache with \code{\link{clearCache}()}.
-#' @return \code{\link{KorAPConnection}} object that can be used e.g. with
-#' \code{\link{corpusQuery}}
+#' the cache with [clearCache()].
+#' @return [KorAPConnection()] object that can be used e.g. with
+#' [corpusQuery()]
#'
#' @examples
#' \donttest{