/usr/share/help/cs/meld/ is in meld 3.18.0-6.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help/cs/meld/command-line.page
/usr/share/help/cs/meld/file-changes.page
/usr/share/help/cs/meld/file-filters.page
/usr/share/help/cs/meld/file-mode.page
/usr/share/help/cs/meld/flattened-view.page
/usr/share/help/cs/meld/folder-mode.page
/usr/share/help/cs/meld/index.page
/usr/share/help/cs/meld/introduction.page
/usr/share/help/cs/meld/keyboard-shortcuts.page
/usr/share/help/cs/meld/legal.xml
/usr/share/help/cs/meld/missing-functionality.page
/usr/share/help/cs/meld/preferences.page
/usr/share/help/cs/meld/resolving-conflicts.page
/usr/share/help/cs/meld/text-filters.page
/usr/share/help/cs/meld/vc-mode.page
/usr/share/help/cs/meld/vc-supported.page