Comments only
Revert "Update Cabal submodule to HEAD (1.21)"

This reverts commit af28e61c7e84b8eb89fdfd9671af83a2a13f554a.
We'll wait until it's possible to bootstrap from 7.6 out of the box.
ghci: detabify/dewhitespace RtClosureInspect

Signed-off-by: Austin Seipp <austin@well-typed.com>
parser: detabify/dewhitespace Ctype

Signed-off-by: Austin Seipp <austin@well-typed.com>
parser: detabify/dewhitespace cutils.c

Signed-off-by: Austin Seipp <austin@well-typed.com>
profiling: detabify/unwhitespace CostCentre

Signed-off-by: Austin Seipp <austin@well-typed.com>
cmm: detabify/unwhitespace CmmInfo

Signed-off-by: Austin Seipp <austin@well-typed.com>
cmm: detabify/unwhitespace CmmLex

Signed-off-by: Austin Seipp <austin@well-typed.com>
ghci: detabify/unwhitespace ByteCodeGen

Signed-off-by: Austin Seipp <austin@well-typed.com>
ghci: detabify/unwhitespace ByteCodeInstr

Signed-off-by: Austin Seipp <austin@well-typed.com>
main: detabify/unwhitespace PprTyThing

Signed-off-by: Austin Seipp <austin@well-typed.com>
prelude: detabify/unwhitespace PrelInfo

Signed-off-by: Austin Seipp <austin@well-typed.com>
nativeGen: detabify/dewhitespace Size

Signed-off-by: Austin Seipp <austin@well-typed.com>
nativeGen: detabify/dewhitespace Reg

Signed-off-by: Austin Seipp <austin@well-typed.com>
nativeGen: detabify/dewhitespace X86/RegInfo

Signed-off-by: Austin Seipp <austin@well-typed.com>
nativeGen: detabify/dewhitespace PPC/Cond

Signed-off-by: Austin Seipp <austin@well-typed.com>
nativeGen: detabify/dewhitespace PPC/RegInfo

Signed-off-by: Austin Seipp <austin@well-typed.com>
nativeGen: detabify/dewhitespace RegClass

Signed-off-by: Austin Seipp <austin@well-typed.com>
nativeGen: detabify/dewhitespace TargetReg

Signed-off-by: Austin Seipp <austin@well-typed.com>
nativeGen: detabify/dewhitespace SPARC/Stack

Signed-off-by: Austin Seipp <austin@well-typed.com>