Inspect the exact sequence
A B
The sample places one thin space between two letters.
The thin space U+2009 adds a narrow typographic gap. Unlike narrow no-break space, it does not carry the same no-break behavior.
THIN SPACE
Invisible character — the marker is not part of copied text.
The thin space U+2009 adds a narrow typographic gap. Unlike narrow no-break space, it does not carry the same no-break behavior.
Use it for a defined typographic convention rather than invisible alignment hacks. If keeping neighboring text on one line is required, verify the appropriate no-break character or layout rule.
A B
The sample places one thin space between two letters.
12 kg / 12 kg
The left sample uses thin space; the right uses narrow no-break space.
U+202FCompare the code points and the stated spacing, joining or line-break behavior rather than relying on appearance.
DetailsU+2009The visible marker in GlyphIndex is a display aid. Copy actions preserve this original invisible character.
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