ParTable(graph): small tweak for clarity

Author: alyst

src/frontend/specification/StenoGraphs.jl

@@ -47,7 +47,7 @@ function ParameterTable(
     free = columns[:free]
     value_fixed = columns[:value_fixed]
     start = columns[:start]
-    params = columns[:param]
+    param_refs = columns[:param]
     # group = Vector{Symbol}(undef, n)
 
     for (i, element) in enumerate(graph)
@@ -82,24 +82,24 @@ function ParameterTable(
                     if modval == :NaN
                         throw(DomainError(NaN, "NaN is not allowed as a parameter label."))
                     end
-                    params[i] = modval
+                    param_refs[i] = modval
                 end
             end
         end
     end
 
     # make identifiers for parameters that are not labeled
     current_id = 1
-    for i in 1:length(params)
-        if params[i] == Symbol("")
+    for i in eachindex(param_refs)
+        if param_refs[i] == Symbol("")
             if free[i]
-                params[i] = Symbol(param_prefix, :_, current_id)
+                param_refs[i] = Symbol(param_prefix, :_, current_id)
                 current_id += 1
             else
-                params[i] = :const
+                param_refs[i] = :const
             end
         elseif !free[i]
-            @warn "You labeled a constant ($(params[i])=$(value_fixed[i])). Please check if the labels of your graph are correct."
+            @warn "You labeled a constant ($(param_refs[i])=$(value_fixed[i])). Please check if the labels of your graph are correct."
         end
     end