export from gmpl to gpml does not preserve shape of unknown elements
GPML file: [WP4523_108086.gpml](/uploads/e6aca2b66b3fc82c47fa77bf0f824a93/WP4523_108086.gpml) https://pg-sandbox.uni.lu/minerva/index.xhtml?id=WP4523_108086 exported file: [model-3.gpml](/uploads/71905151b9bada39627d0526aba503e9/model-3.gpml) ![Screen_Shot_2020-02-26_at_08.32.09](/uploads/9ec3d1cd7102d1d1e9fdb37613237fb1/Screen_Shot_2020-02-26_at_08.32.09.png)
issue