pydot 1.0.4 does not parse graph node with "."(dot) in it

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What steps will reproduce the problem?
1. in file test.dot, add a node with "." eg 2.3 [label="dot_node"] 
2. pydot.graph_from_dot_file(test.dot)
3. parse will fail

What is the expected output? What do you see instead?
node 2.3 will fail to parse. result in runtime exception

What version of the product are you using? On what operating system?
1.0.4 ubuntu 10.10

Possible fix:
In dot_parser.py, replace the line:
indentifier =  Word(alphanums + "_").setName("identifier")
with
indentifier =  Word(alphanums + "_" + ".").setName("identifier")

Original issue reported on code.google.com by overmin...@gmail.com on 3 Mar 2011 at 3:36

[GoogleCodeExporter]

Original comment by ero.carr...@gmail.com on 3 Mar 2011 at 11:54

• Changed state: Accepted
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[GoogleCodeExporter]

This issue was closed by revision r22.

Original comment by ero.carr...@gmail.com on 3 Mar 2011 at 11:55

• Changed state: Fixed
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[GoogleCodeExporter]

Fixed in revision 22. Your suggested fix works and does not cause problems in 
the regression tests

Original comment by ero.carr...@gmail.com on 3 Mar 2011 at 11:56

• Added labels: ****
• Removed labels: ****