Strange bash diff

[k4leg]

File a:

#!/usr/bin/env bash
cat <<-EOF
    TEST TEST TEST
    (a \
     b \
     c \
     d)
    TEST TEST TEST
EOF

File b:

#!/usr/bin/env bash
cat <<-EOF
    ANOTHER TEXT
    TEXT
    QWERTY
    ( \
        a \
        b \
        c \
    )
    ANOTHER TEXT
EOF

Arch Linux with:

Difftastic 0.55.0 (7fda26d68 2024-01-30, built with rustc 1.75.0)

[Wilfred Hughes]

This might be the same issue as #632.