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Richard M. Stallman authored
(isearch-close-unecessary-overlays): New function. (isearch-range-invisible): Use them. (search-invisible): Changed the semantics, the default value and updated the doc string. (isearch-opened-overlays): New variable. (isearch-mode): Initialize it. (isearch-switch-frame-handler): Call isearch-clean-overlays. (isearch-exit, isearch-cancel, isearch-abort): Likewise. (isearch-other-meta-char, isearch-search): Support the new meaning for search-invisible. (isearch-open-necessary-overlays, isearch-open-overlay-temporary) (isearch-clean-overlays): New functions. (isearch-range-invisible): If we are inside overlays that can be opened, open them, add them to isearch-opened-overlays and say that the range is visible.
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