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-rw-r--r--docs/config.md14
1 files changed, 8 insertions, 6 deletions
diff --git a/docs/config.md b/docs/config.md
index 14854ccf..4f04d032 100644
--- a/docs/config.md
+++ b/docs/config.md
@@ -136,12 +136,14 @@ Taglines use a distinct face size in both native GUI renderers. Execute
`TaglineSize <percent>` to change it live, for example `TaglineSize 70`; the
accepted range is 1 through 100 and the default comes from
`gui_tagline_font_percent` in `src/config.zig` (82). The native renderer
-remeasures both the glyph and its visible tag band while retaining the body's
-cell grid. The 100% ceiling is deliberate: a tagline remains exactly one
-logical grid row, so a larger face or band would overlap its pane body or a
-neighbour instead of leaving the body grid stable. `Config` reports the active
-percentage. The browser applies the same compiled percentage to its DOM glyphs
-but has no runtime setter.
+remeasures both the glyph and its visible tag band while retaining body-grid
+pane geometry. The SDL GUI uses the smaller face's measured monospace advance
+as a real per-pane tagline grid, including pointer hit testing; it does not pad
+each smaller glyph back out to a body-width cell. The 100% ceiling is
+deliberate: a tagline remains exactly one logical grid row, so a larger face or
+band would overlap its pane body or a neighbour instead of leaving the body
+grid stable. `Config` reports the active percentage. The browser applies the
+same compiled percentage to its DOM glyphs but has no runtime setter.
The SDL GUI joins the reduced-height global and pane tagline bands with
`gui_topbar_pane_border_px` physical pixels. Set it to zero for a direct join.