Use three dashes for em-dash

1 files changed, 32 insertions, 31 deletions

diff --git a/README.md b/README.md
index a214c9ef..361dd191 100644
--- a/README.md
+++ b/README.md
@@ -78,40 +78,41 @@ Configuration is included for:
     * [GNU Bash](https://www.gnu.org/software/bash/) (v3.0 or newer)
     * [Korn shell](http://www.kornshell.com/) (`ksh93`, `pdksh`, `mksh`)
     * [Z shell](https://www.zsh.org/)
-* [Abook](http://abook.sourceforge.net/)--curses address book program
-* [cURL](https://curl.haxx.se/)--Command-line tool for transferring data with
+* [Abook](http://abook.sourceforge.net/)---curses address book program
+* [cURL](https://curl.haxx.se/)---Command-line tool for transferring data with
   URL syntax
-* [Dillo](https://www.dillo.org/)--A lightweight web browser
-* [Dunst](https://dunst-project.org/)--A lightweight X11 notification daemon
+* [Dillo](https://www.dillo.org/)---A lightweight web browser
+* [Dunst](https://dunst-project.org/)---A lightweight X11 notification daemon
   that works with `libnotify`
-* `finger(1)`--User information lookup program
-* [Git](https://git-scm.com/)--Distributed version control system
-* [GNU Emacs](https://www.gnu.org/software/emacs/)--Extensible text editor
-* [GnuPG](https://www.gnupg.org/)--GNU Privacy Guard, for private communication
-  and file encryption
-* [GTK+](https://www.gtk.org/)--GIMP Toolkit, for graphical user interface
+* `finger(1)`---User information lookup program
+* [Git](https://git-scm.com/)---Distributed version control system
+* [GNU Emacs](https://www.gnu.org/software/emacs/)---Extensible text editor
+* [GnuPG](https://www.gnupg.org/)---GNU Privacy Guard, for private
+  communication and file encryption
+* [GTK+](https://www.gtk.org/)---GIMP Toolkit, for graphical user interface
   elements
-* [i3](https://i3wm.org/)--Tiling window manager
-* [less](https://www.gnu.org/software/less/)--Terminal pager
-* [mpv](https://mpv.io/)--Media player
-* [Mutt](http://www.mutt.org/)--Terminal mail user agent
-* [`mysql(1)`](https://linux.die.net/man/1/mysql)--Command-line MySQL client
-* [Ncmpcpp](https://rybczak.net/ncmpcpp/)--ncurses music player client
-* [Newsboat](https://newsboat.org/)--Terminal RSS/Atom feed reader
-* [`psql(1)`](https://linux.die.net/man/1/psql)--Command-line PostgreSQL client
-* [Perl::Critic](http://perlcritic.com/)--static source code analysis engine
+* [i3](https://i3wm.org/)---Tiling window manager
+* [less](https://www.gnu.org/software/less/)---Terminal pager
+* [mpv](https://mpv.io/)---Media player
+* [Mutt](http://www.mutt.org/)---Terminal mail user agent
+* [`mysql(1)`](https://linux.die.net/man/1/mysql)---Command-line MySQL client
+* [Ncmpcpp](https://rybczak.net/ncmpcpp/)---ncurses music player client
+* [Newsboat](https://newsboat.org/)---Terminal RSS/Atom feed reader
+* [`psql(1)`](https://linux.die.net/man/1/psql)---Command-line PostgreSQL
+  client
+* [Perl::Critic](http://perlcritic.com/)---static source code analysis engine
   for Perl
-* [Perl::Tidy](http://perltidy.sourceforge.net/)--reformats Perl source code
-* [Readline](https://tiswww.case.edu/php/chet/readline/rltop.html)--GNU library
-  for user input used by Bash, MySQL, and others
-* [rxvt-unicode](http://software.schmorp.de/pkg/rxvt-unicode.html)--Fork of the
-  rxvt terminal emulator with Unicode support
-* [Subversion](https://subversion.apache.org/)--Apache Subversion, a version
+* [Perl::Tidy](http://perltidy.sourceforge.net/)---reformats Perl source code
+* [Readline](https://tiswww.case.edu/php/chet/readline/rltop.html)---GNU
+  library for user input used by Bash, MySQL, and others
+* [rxvt-unicode](http://software.schmorp.de/pkg/rxvt-unicode.html)---Fork of
+  the rxvt terminal emulator with Unicode support
+* [Subversion](https://subversion.apache.org/)---Apache Subversion, a version
   control system
-* [tidy](http://www.html-tidy.org/)--HTML/XHTML linter and tidier
-* [tmux](https://tmux.github.io/)--Terminal multiplexer similar to GNU Screen
-* [Vim](https://www.vim.org/)--Vi IMproved, a text editor
-* [X11](https://www.x.org/wiki/)--Windowing system with network transparency
+* [tidy](http://www.html-tidy.org/)---HTML/XHTML linter and tidier
+* [tmux](https://tmux.github.io/)---Terminal multiplexer similar to GNU Screen
+* [Vim](https://www.vim.org/)---Vi IMproved, a text editor
+* [X11](https://www.x.org/wiki/)---Windowing system with network transparency
   for Unix
 
 The configurations for shells, Mutt, tmux, and Vim are the most likely to be of
@@ -383,8 +384,8 @@ submodules instead.
 #### Compilers
 
 I define a few of my own `:compiler` scripts for `~/.vim/compiler` to check and
-lint appropriate filetypes.  I bind checking--"does it run?"--and linting--"is
-it good?"--with separate local leader maps; for example, for `perl` filetypes,
+lint appropriate filetypes.  I bind checking---"does it run?"---and linting---"is
+it good?"---with separate local leader maps; for example, for `perl` filetypes,
 `<LocalLeader>c` switches `makeprg` to `perl -c` for checking, and
 `<LocalLeader>l` to `perlcritic` for linting.