gnus-simplify-subject-functions

gnus-simplify-subject-functions is a variable defined in `gnus-sum.el'.
Its value is

nil

• This variable may be risky if used as a file-local variable.

Documentation:
List of functions taking a string argument that simplify subjects.
The functions are applied recursively.

Useful functions to put in this list include:
`gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
`gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'.

You can customize this variable.