Bug#867843: pandoc: << build dependencies on packages with a more recent version

[Adrian Bunk]

Source: pandoc
Version: 1.17.2~dfsg-4
Severity: serious

The following packages have unmet dependencies:
 builddeps:pandoc : Depends: libghc-texmath-dev (< 0.9) but 0.9.4-1 is to be installed
                    Depends: libghc-pandoc-types-dev (< 1.17) but 1.17.0.5-1 is to be installed