RST ignores LaTeX style double minus signs for m-dash

Author: peterjc

using_seqfeatures/README.rst

@@ -266,7 +266,7 @@ Translating CDS features
 ------------------------
 
 When dealing with GenBank files and trying to get the protein sequence of the
-genes, you'll need to look at the CDS features (coding sequences) -- not the
+genes, you'll need to look at the CDS features (coding sequences) - not the
 gene features (although for simple cases they'll have the same location).
 
 Sometimes, as in the *E. coli* exmaple, you will find the translation is

writing_sequence_files/README.rst

@@ -50,7 +50,7 @@ Save this as ``convert_gb_to_fasta.py`` and run it:
     1 records converted
 
 Notice that the ``SeqIO.convert(...)`` function returns the number of
-sequences it converted -- here only one. Also have a look at the output file:
+sequences it converted - here only one. Also have a look at the output file:
 
 .. sourcecode:: console