[latex3-commits] [latex3/latex3] gh1232-titlecase: Extend documentation (8f5f7e28c)

[github at latex-project.org]

Repository : https://github.com/latex3/latex3
On branch  : gh1232-titlecase
Link       : https://github.com/latex3/latex3/commit/8f5f7e28ca15ec4de0a5c7646eebe37af40a83b9

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commit 8f5f7e28ca15ec4de0a5c7646eebe37af40a83b9
Author: Joseph Wright <joseph.wright at morningstar2.co.uk>
Date:   Thu Jun 29 07:35:40 2023 +0100

    Extend documentation


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8f5f7e28ca15ec4de0a5c7646eebe37af40a83b9
 l3kernel/l3text.dtx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/l3kernel/l3text.dtx b/l3kernel/l3text.dtx
index 7ad2c06eb..30b56358b 100644
--- a/l3kernel/l3text.dtx
+++ b/l3kernel/l3text.dtx
@@ -209,6 +209,12 @@
 %  character is uppercased, and the rest lowercased, irrespective of the nature
 %  of the character.
 %
+%  Sentence casing applies titlecasing to the first word of input. As such,
+%  it will use the \meta{title} branch of \cs{text_case_switch:nnnn} if this
+%  occurs at the start of the first word, and the \meta{lower} branch
+%  otherwise. Case changing suppression via \cs{l_text_case_exclude_arg_tl}
+%  works as for other case functions.
+%
 %  Currently, word boundary detection is based on the start and end of input,
 %  spaces and brace groups (which are treated as word boundaries).
 %  This may in future be refined to extend to detect more Unicode word boundary