ENH: Add '-' character as possible phase name character

Verified that this is possible in TC. Note that '.' is *NOT* a valid character.
pycalphad · Nov 30, 2017 · a46cbda · a46cbda
1 parent b9de6fe
commit a46cbda
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pycalphad/io/tdb.py b/pycalphad/io/tdb.py
@@ -185,7 +185,7 @@ def _tdb_grammar(): #pylint: disable=R0914
         .setParseAction(lambda t: [float(t[0])])
     # symbol name, e.g., phase name, function name
     symbol_name = Word(alphanums+'_:', min=1)
-    ref_phase_name = symbol_name = Word(alphanums+'_:()/', min=1)
+    ref_phase_name = symbol_name = Word(alphanums+'_-:()/', min=1)
     # species name, e.g., CO2, AL, FE3+
     species_name = Word(alphanums+'+-*/_.', min=1) + Optional(Suppress('%'))
     # constituent arrays are colon-delimited