SDF parsing problem: Order of tag groups matters?

Case 1: "visual" tag group before "collision" group: Both are present in the output of gz sdf --print path_to_model/model.sdf

<?xml version="1.0" ?>
<sdf version="1.5">
  <model name="block_wall">
    <pose>0 0 0.30924 0 0 0</pose>
    <static>true</static>
    <link name="blocks">
      <visual name="visual">
        <geometry>
          <mesh>
            <uri>model://block_wall_softbody/meshes/block_wall.dae</uri>
          </mesh>
        </geometry>
      </visual>
      <collision name="collision">
        <geometry>
          <mesh>
            <uri>model://block_wall_softbody/meshes/block_wall.dae</uri>
          </mesh>
        </geometry>
        <surface>
          <bounce>
            <restitution_coefficient>0.0</restitution_coefficient>
            <threshold>100000</threshold>
          </bounce>
          <friction>
            <ode>
              <mu>100</mu>
              <mu2>50</mu2>
            </ode>
          </friction>
          <contact>
            <ode>
              <soft_cfm>0.0</soft_cfm>
              <!--"sponginess", 0.0=hard-->
              <soft_erp>0.2</soft_erp>
              <max_vel>0.0</max_vel>
              <min_depth>0.0</min_depth>
            </ode>
          </contact>
      <soft_contact>
        <bullet>
          <totalmass>10.0</totalmass>
          <num_clusters>128</num_clusters>
          <aeromodel>0</aeromodel>
          <kVCF>1.0</kVCF>
          <kDP>0.0</kDP>
          <kDG>0.0</kDG>
          <kLF>0.0</kLF>
          <kPR>0.0</kPR>
          <kVC>0.0</kVC>
          <kDF>0.2</kDF>
          <kMT>0.0</kMT>
          <kCHR>1.0</kCHR>
          <kKHR>0.1</kKHR>
          <kSHR>1.0</kSHR>
          <kAHR>0.7</kAHR>
          <kSRHR_CL>0.1</kSHR_CL>
          <kSKHR_CL>1.0</kSKHR_CL>
          <kSSHR_CL>0.5</kSSHR_CL>
          <kSR_SPLT_CL>0.5</kSR_SPLT_CL>
          <kSK_SPLT_CL>0.5</kSK_SPLT_CL>
          <kSS_SPLT_CL>0.5</kSS_SPLT_CL>
          <maxvolume>1.0</maxvolume>
          <timescale>1.0</timescale>
          <viterations>0</viterations>
          <piterations>1</piterations>
          <diterations>0</diterations>
          <citerations>4</citerations>
          <collisions>1</collisions>
        </bullet>
      </soft_contact>
        </surface>
      </collision>
    </link>
  </model>
</sdf>

Case 2: "visual" tag group after "collision" group: Only "collision" tag group is present in the output of gz sdf --print path_to_model/model.sdf

<sdf version='1.5'>
  <model name='block_wall'>
    <pose>0 0 0.30924 0 -0 0</pose>
    <static>1</static>
    <link name='blocks'>
      <collision name='collision'>
        <geometry>
          <mesh>
            <uri>model://block_wall_softbody/meshes/block_wall.dae</uri>
          </mesh>
        </geometry>
        <surface>
          <bounce>
            <restitution_coefficient>0</restitution_coefficient>
            <threshold>100000</threshold>
          </bounce>
          <friction>
            <ode>
              <mu>100</mu>
              <mu2>50</mu2>
            </ode>
          </friction>
          <contact>
            <ode>
              <soft_cfm>0</soft_cfm>
              <soft_erp>0.2</soft_erp>
              <max_vel>0</max_vel>
              <min_depth>0</min_depth>
            </ode>
          </contact>
          <soft_contact>
            <bullet>
              <totalmass>10</totalmass>
              <num_clusters>128</num_clusters>
              <aeromodel>0</aeromodel>
              <kVCF>1</kVCF>
              <kDP>0</kDP>
              <kDG>0</kDG>
              <kLF>0</kLF>
              <kPR>0</kPR>
              <kVC>0</kVC>
              <kDF>0.2</kDF>
              <kMT>0</kMT>
              <kCHR>1</kCHR>
              <kKHR>0.1</kKHR>
              <kSHR>1</kSHR>
              <kAHR>0.7</kAHR>
              <kSRHR_CL>0.1</kSRHR_CL>
              <kSKHR_CL>1</kSKHR_CL>
              <kSSHR_CL>0.5</kSSHR_CL>
              <kSR_SPLT_CL>0.5</kSR_SPLT_CL>
              <kSK_SPLT_CL>0.5</kSK_SPLT_CL>
              <kSS_SPLT_CL>0.5</kSS_SPLT_CL>
              <maxvolume>1</maxvolume>
              <timescale>1</timescale>
              <viterations>0</viterations>
              <piterations>1</piterations>
              <diterations>0</diterations>
              <citerations>4</citerations>
              <collisions>1</collisions>
            </bullet>
          </soft_contact>
        </surface>
      </collision>
      <velocity_decay>
        <linear>0</linear>
        <angular>0</angular>
      </velocity_decay>
    </link>
  </model>
</sdf>