Fix garbled hc_freq_by_year_ci examples

Change-Id: Iea1dbd8224de732c1b527e217ad945759a6e6bb5
diff --git a/R/hc_freq_by_year_ci.R b/R/hc_freq_by_year_ci.R
index 08ae695..2b54cb3 100644
--- a/R/hc_freq_by_year_ci.R
+++ b/R/hc_freq_by_year_ci.R
@@ -21,15 +21,14 @@
 #' @examples
 #' \dontrun{
 #'
-#' year <- c(1990:2018)}
-#' alternatives <- c("macht []{0,3} Sinn", "ergibt []{0,3} Sinn")}\dontshow{alternatives <- c("macht []{0,3} Sinn")}
+#' year <- c(1990:2018)
+#' alternatives <- c("macht []{0,3} Sinn", "ergibt []{0,3} Sinn")
 #' new("KorAPConnection", verbose = TRUE) %>%
 #'   frequencyQuery(query = alternatives,
 #'                  vc = paste("textType = /Zeit.*/ & pubDate in", year),
 #'                  as.alternatives = TRUE) %>%
 #'   hc_freq_by_year_ci(as.alternatives = TRUE)
 #'
-#' \dontrun{
 #'
 #' kco <- new("KorAPConnection", verbose = TRUE)
 #' expand_grid(
diff --git a/man/hc_freq_by_year_ci.Rd b/man/hc_freq_by_year_ci.Rd
index df2a1b7..e8e560e 100644
--- a/man/hc_freq_by_year_ci.Rd
+++ b/man/hc_freq_by_year_ci.Rd
@@ -30,6 +30,32 @@
 
 \strong{Warning:} This function may be moved to a new package.
 }
+\examples{
+\dontrun{
+
+year <- c(1990:2018)
+alternatives <- c("macht []{0,3} Sinn", "ergibt []{0,3} Sinn")
+new("KorAPConnection", verbose = TRUE) \%>\%
+  frequencyQuery(query = alternatives,
+                 vc = paste("textType = /Zeit.*/ & pubDate in", year),
+                 as.alternatives = TRUE) \%>\%
+  hc_freq_by_year_ci(as.alternatives = TRUE)
+
+
+kco <- new("KorAPConnection", verbose = TRUE)
+expand_grid(
+  condition = c("textDomain = /Wirtschaft.*/", "textDomain != /Wirtschaft.*/"),
+  year = (2005:2011)
+) \%>\%
+  cbind(frequencyQuery(
+    kco,
+    "[tt/l=Heuschrecke]",
+    paste0(.$condition, " & pubDate in ", .$year)
+  ))  \%>\%
+  hc_freq_by_year_ci()
+}
+
+}
 \seealso{
 Other highcharter-helpers: 
 \code{\link{hc_add_onclick_korap_search}()}