Doom
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      In addition to the standard gfm syntax, Doom has built-in some extra Markdown extension features.

      TOC

      Callouts

      Source code annotation components

      Note
      1. Please use inline code comments according to the actual language, such as ;, %, #, //, /** */, --, and <!-- -->, etc.
      2. If you want to treat them as code comments, please escape them with [\!code callout].
      3. Sometimes, :::callouts may display abnormally due to nested indentation; you can use <div class="doom-callouts"> or the <Callouts> component instead.
      ```sh
Memory overhead per virtual machine ≈ (1.002 × requested memory) \
              + 218 MiB \  # [!code callout]
              + 8 MiB × (number of vCPUs) \  # [!code callout]
              + 16 MiB × (number of graphics devices) \  # [!code callout]
              + (additional memory overhead) # [!code callout]
```

:::callouts

1. Required for the processes that run in the `virt-launcher` pod.
2. Number of virtual CPUs requested by the virtual machine.
3. Number of virtual graphics cards requested by the virtual machine.
4. Additional memory overhead:
   - If your environment includes a Single Root I/O Virtualization (SR-IOV) network device or a Graphics Processing Unit (GPU), allocate 1 GiB additional memory overhead for each device.
   - If Secure Encrypted Virtualization (SEV) is enabled, add 256 MiB.
   - If Trusted Platform Module (TPM) is enabled, add 53 MiB.

:::
      Memory overhead per virtual machine ≈ (1.002 × requested memory) \
              + 218 MiB \  
              + 8 MiB × (number of vCPUs) \  
              + 16 MiB × (number of graphics devices) \  
              + (additional memory overhead)
      1. Required for the processes that run in the virt-launcher pod.
      2. Number of virtual CPUs requested by the virtual machine.
      3. Number of virtual graphics cards requested by the virtual machine.
      4. Additional memory overhead:
        • If your environment includes a Single Root I/O Virtualization (SR-IOV) network device or a Graphics Processing Unit (GPU), allocate 1 GiB additional memory overhead for each device.
        • If Secure Encrypted Virtualization (SEV) is enabled, add 256 MiB.
        • If Trusted Platform Module (TPM) is enabled, add 53 MiB.

      For more source code transformation features, please refer to Shiki Transformers.

      Mermaid

      Chart drawing tool

      ```mermaid
graph TD;
    A-->B;
    A-->C;
    B-->D;
    C-->D;
```

      With Markdown Preview Mermaid, you can preview in real time in VSCode.