sync_selections + pattern_as_selection = infinite loop

[rayx]

There are two main mechanisms in the code to prevent indefinite looping:

• The check in line 456 prevents indefinite loop that primary selection and clipboard keep synchronizing with each other.

• The check in line 433 prevents indefinite loop that a selection (either primary or clipboard) keeps updating itself. The ignore_next flag also helps, but it's not required.

The issue is that the first check doesn't work when both sync_selections and pattern_as_selection are true. The check should be against matched text, instead of original text, in this case.

I hit the issue with the following config (irrelevant options are skipped):

active_selections = PRIMARY,CLIPBOARD
sync_selections = yes
extract_patterns = yes
pattern_as_selection = yes

Then define a pattern to extract part of the selected text should be able reproduce the issue.

[stale]

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