[ET Trac] #2752: Parameter file parser generates illegal (?) C code

[Erik Schnetter]

#2752: Parameter file parser generates illegal (?) C code

 Reporter: Erik Schnetter
   Status: new
Milestone: 
  Version: 
     Type: bug
 Priority: major
Component: Cactus

I see this warnings when building the autogenerated Cactus bindings:

```
/Users/eschnett/Cactus/configs/sim-debug/bindings/Parameters/TwoPunctures_BBHSF_Parameters.c: In function 'CCTKi_BindingsCreateTwoPunctures_BBHSFParameters':
/Users/eschnett/Cactus/configs/sim-debug/bindings/Parameters/TwoPunctures_BBHSF_Parameters.c:193:116: warning: unknown escape sequence: '\p'
  193 |                         "Exponent delta for conformal decomposition of the scalar field \phi = \psi^delta \bar\phi",
      |                                                                                                                    ^
/Users/eschnett/Cactus/configs/sim-debug/bindings/Parameters/TwoPunctures_BBHSF_Parameters.c:193:116: warning: unknown escape sequence: '\p'
/Users/eschnett/Cactus/configs/sim-debug/bindings/Parameters/TwoPunctures_BBHSF_Parameters.c:193:116: warning: unknown escape sequence: '\p'
```

It seems that a parameter description in a ccl file contains latex code, and the parameter file parse does not properly escape backslashes when generating C strings for them.

--
Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2752/parameter-file-parser-generates-illegal-c
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