@@ -59,7 +59,7 @@ rm.singleton.newick <- function(nwk, outfile = NULL) {

     ## remove singleton of tips

     nodePattern <- "\\w+:[\\.0-9Ee\\+\\-]+"

     singletonPattern.with.nodename <- paste0(".*(\\(", nodePattern, "\\)\\w+:[\\.0-9Ee\\+\\-]+).*")

-    singletonPattern.wo.nodename <- paste0(".*(\\(", nodePattern, "\\)[\\.0-9Ee\\+\\-]+).*")

+    singletonPattern.wo.nodename <- paste0(".*(\\(", nodePattern, "\\):[\\.0-9Ee\\+\\-]+).*")

     while(length(grep("\\([^,]+\\)", tree)) > 0) {

         singleton <- gsub(singletonPattern.with.nodename, "\\1", tree)

@@ -10,52 +10,9 @@

 [![download](http://www.bioconductor.org/shields/downloads/ggtree.svg)](https://bioconductor.org/packages/stats/bioc/ggtree/)

-

 The `ggtree` package extending the `ggplot2` package. It based on grammar of graphics and takes all the good parts of `ggplot2`. 

-`ggtree` is designed for not only viewing phylogenetic tree but also displaying annotation data in the tree. 

-

-A discussion forum can be found at <https://groups.google.com/forum/#!forum/bioc-ggtree>

-

-## Authors ##

-

-Guangchuang Yu and Tommy Tsan-Yuk Lam, School of Public Health, The University of Hong Kong.

-

-## Citation ##

-

-Please cite the following article when using `ggtree`:

-

-```

-G Yu, D Smith, H Zhu, Y Guan, TTY Lam,

-ggtree: an R package for visualization and annotation of phylogenetic trees 

-        with their covariates and other associated data.

-Methods in Ecology and Evolution, revised

-```

-

-## License ##

-

-All source code is copyright, under the Artistic-2.0 License.

-For more information on Artistic-2.0 License see <http://opensource.org/licenses/Artistic-2.0>

-

-## Installation ##

-

-To install:

- * the latest released version: `biocLite("ggtree")`

- * the latest development version: `devtools::install_github("GuangchuangYu/ggtree")`

-

-## Documentation ##

-

-To view the vignette of `ggtree` installed in your system, start `R` and enter:

-```r

-vignette("ggtree", package = "ggtree")

-```

-

-More documents can be found in <https://guangchuangyu.github.io/ggtree>.

-

-

-## Feedback ##

+`ggtree` is designed for not only viewing phylogenetic tree but also displaying annotation data on the tree. 

- - For bugs or feature request, please post to [github issue](https://github.com/GuangchuangYu/ggtree/issues).

- - For user questions, please post to [google group](https://groups.google.com/forum/#!forum/bioc-ggtree) or post to [Bioconductor support site](https://support.bioconductor.org/) or [Biostars](https://www.biostars.org/). We are following every post tagged with **ggtree**.

- 

+For details, please visit our project website, <https://guangchuangyu.github.io/ggtree>.