Auto-Propagation is a feature of Lilt Translate that saves linguists time by automatically using a segment's target text to fill and replace the target text of other segments with matching source content. If you set or change the translation of a specific phrase in a document, Auto-Propagation will set or change other instances of that phrase throughout the rest of the document.
Auto-Propagation functions by:
- affecting only the current document
- changing segments with matching context (overwriting any existing content)
- confirming the changed segments after propagation changes are made
Auto-Propagation is always applied to unconfirmed segments, whether or not the segment target text has content. When a segment is confirmed, Auto-Propagation copies the confirmed target text to all unconfirmed matching segments in the document and marks those segments as confirmed.
You can enable or disable Auto-Propagation to confirmed segments through the
Settings tab by selecting/deselecting the following options:
- Forward Auto-Propagation: When enabled, in addition to Auto-Propagation being applied to unconfirmed segments, Auto-Propagation will also be applied to confirmed matching segments after the updated segment. This will overwrite any target text in the matching segments.
- Backward Auto-Propagation: When enabled, in addition to Auto-Propagation being applied to unconfirmed segments, Auto-Propagation will also be applied to confirmed matching segments before the updated segment. This will overwrite any target text in the matching segments.
Use cases for Forward and Backward Auto-Propagation:
- By default, Forward and Backward Auto-Propagation are both enabled. This is a useful way to make sure translations are consistent across a document, because if you make a change to a segment, all segments with matching source text will update their target text to match.
- If you want to ensure you do not overwrite content in confirmed segments, turn off both Forward and Backward Auto-Propagation.
- Enabling only Forward Auto-Propagation is a good way to speed up translation (by automatically populating segments you haven't reached yet), while making sure to not overwrite content in matching segments you have already processed.
- It is not common to only enable Backward Auto-Propagation.
Note that in Review mode, with Forward or Backward Auto-Propagation enabled, changes to accepted segments will overwrite segments that are not part of the review sample.
Auto-Propagation vs TM Leveraging
Auto-Propagation differs from TM Leveraging in the following ways:
|Scope||All documents sharing a Data Source||Current document open in Lilt Translate|
|Populates empty, unconfirmed segments||Yes||Yes|
|Populates filled, unconfirmed segments||No||Yes|
|Confirms the segment after populating||No/Yes1||Yes|
|Overwrites target text||No||Yes|
|Overwrites confirmed segments||No||No/Yes2|
|Displays match annotation after populating||Yes||No|
Auto-confirm exact matches & repetitions is enabled in the Project Settings, segments populated by TM Leveraging will be marked as confirmed; otherwise, they will be left unconfirmed.
2 If Forward Auto-Propagation or Backward Auto-Propagation are enabled, in addition to Auto-Propagation being applied to unconfirmed segments, Auto-Propagation will also be applied to confirmed matching segments.