imagemagick policy setting

[Emanuel Berg <moasenwood@zoho.eu>]

I forgot how to fix this. I've done it once before, it was
a one-liner in a config file, related to policy/perceived
security/something-something. Don't remember, please help :)

TIA

#! /bin/zsh
#
# this file:
#   http://user.it.uu.se/~embe8573/conf/.zsh/pdf-img
#   https://dataswamp.org/~incal/conf/.zsh/pdf-img

pdf2img () {
    local src=$1
    local name=${src:r}
    local ext=${2:-png}

    local dst=${name}.${ext}

    local dep=32
    local den=300

    convert -density $den -depth $dep $src $dst
}
alias pdf2png=pdf2img

# $ pdf2png llc.pdf
# convert-im6.q16: attempt to perform an operation not allowed by the security policy `PDF' @ error/constitute.c/IsCoderAuthorized/421.
# convert-im6.q16: no images defined `llc.png' @ error/convert.c/ConvertImageCommand/3229.
#
# example file:
#   https://dataswamp.org/~incal/hs-linux/docs/report/figures/llc/llc.pdf

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