Update README

-   remove outdated paragraphs
-   mention where to get a Windows binary

ChangeLog

@@ -1,7 +1,7 @@
 2.2.1 - fix handling of non-ascii alphabetical characters
 
     -   replace characters with diacritics in the LaTeX source, but keep the
-    unmodified character in image alt attribute (for better readibility)
+        unmodified character in image alt attribute (for better readibility)
 
 2.2 - make alternative text of formulas more readable
 

README.md

@@ -15,7 +15,6 @@ new version is purely implemented in Python, gets rid of the Ghostscript
 dependency and additionally offers the GladTeX functionality in a Python module
 called gleetex.  to be embedded in other applications.
 
-
 License
 -------
 
@@ -33,7 +32,7 @@ Credits go to
 
 
 
-About the rewritten (new) version:
+About the rewritten (current) version:
 
 -   (c) 2015-2016 Sebastian Humenda
     -   credits go to Martin G. Gulbrandsen who had the idea in the first place
@@ -53,22 +52,26 @@ easy as
 
     # apt-get install gladtex
 
+### Windows
+
+If you want to use the program without the Python library, you should download a
+pre-compiled binary from <https://github.com/humenda/GladTeX/releases>.
+
+Just unzip the archive and move the files to a directory within `%PATH%`.
+
+
 ### From Source
 
 The following is required for installing GladTeX:
 
--   Python >= 3.5
+-   Python >= 3.4
 -   LaTeX (2e), dvipng
 -   the LaTeX package preview.sty
 
-On Debian systems the following commands will satisfy the dependencies:
+On Debian/Ubuntu systems the following commands will satisfy the dependencies:
 
-    # apt-get install python3.4 texlive-latex-base preview-latex-style dvipng
+    # apt-get install python3-all texlive-fonts-recommended texlive-latex-recommended preview-latex-style dvipng
 
-If you plan to use lualatex, use:
-
-    sudo apt-get install texlive-maths-extra texlive-luatex texlive-xetex texlive-fonts-extra
-
 The package can then be installed using
 
     # python3 setup.py install

create_windows_distributions.py

@@ -14,12 +14,15 @@ def exec_setup_py(arg_string):
     if sys.platform.startswith('win'):
         ret = os.system('python setup.py ' + arg_string)
     else:
+        if not shutil.which('wine'):
+            print("Error: Wine is not installed, aborting…")
+            sys.exit(5)
         ret = os.system('wine python setup.py ' + arg_string)
     if ret:
         if sys.platform.startswith('win'):
-            print("abborting at command `python setup.py %s`." % arg_string)
+            print("Aborting at command `python setup.py %s`." % arg_string)
         else:
-            print("abborting at command `wine python setup.py %s`." % arg_string)
+            print("Aborting at command `wine python setup.py %s`." % arg_string)
         sys.exit(7)
 
 def get_python_version():