Revert "Escape square brackets in configure.ac"
Revert "Escape square brackets in configure.ac"

This reverts commit 80f464d9d72839841422f75e78ce725365cc3d71.

rycee/nix,dtzWill/nix,zimbatm/nix,vcunat/nix,rycee/nix,ehmry/nix,vcunat/nix,ehmry/nix,dtzWill/nix,ehmry/nix,NixOS/nix,vcunat/nix,ehmry/nix,ehmry/nix,NixOS/nix,vcunat/nix,dtzWill/nix,rycee/nix,pikajude/nix,NixOS/nix,zimbatm/nix,NixOS/nix,dtzWill/nix,dtzWill/nix,NixOS/nix,zimbatm/nix,pikajude/nix,zimbatm/nix,pikajude/nix,rycee/nix,ehmry/nix,rycee/nix