Repeated symbol cropped on zoom with line symbols sizeunit meters #7420

Description of the issue

Depending on the zoom level, the repeating symbol gets cropped. Start & End geomtransformed symbol don't get cropped resulting in a deformed symbol.

Configuration

Symbols all are SVGs

Layer's sizeunit meters

Starting and End symbols are defined as such :

STYLE
OPACITY 100
MINSIZE 1
COLOR [color]
SYMBOL "symbol_start / symbol_end"
SIZE [width]
ANGLE AUTO
GEOMTRANSFORM "start / end"
END

Middle symbol is defined as such :

STYLE
OPACITY 100
MINSIZE 1
COLOR [color]
SYMBOL "symbol_middle"
SIZE [width]
END

Is this a misconfiguration or is this a mapserver problem ?

Screenshots