[css-text-3] Percentage text-indent refers to containng block generated by the block container itself, i.e. refers to block container’s own content-box inline size. #2394. Closes PR #2743.

Author: fantasai

css-text-3/Overview.bs

@@ -1988,7 +1988,7 @@ Cursive Scripts</h4>
     Initial: 0
     Applies to: block containers
     Inherited: yes
-    Percentages: refers to width of containing block
+    Percentages: refers to block container’s own <a>inline-axis</a> <a>inner size</a>
     Computed value: the percentage as specified or the absolute length, plus any keywords as specified
     Animation type: <a href="https://drafts.csswg.org/css-transitions-1/#animtype-lpcalc">length, percentage, or calc</a>, but only if keywords match
     Canonical order: <abbr title="follows order of property value definition">per grammar</abbr>