[LyX/master] DocBook: add a TODO for a newly discovered bug.

[Thibaut Cuvelier]

commit a1d297b2cc82bfb025c94e37a59827d25de0a4e1
Author: Thibaut Cuvelier <tcuvelier at lyx.org>
Date:   Mon Feb 7 04:49:32 2022 +0100

    DocBook: add a TODO for a newly discovered bug.
---
 src/insets/InsetIndex.cpp |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/insets/InsetIndex.cpp b/src/insets/InsetIndex.cpp
index c578c03..fef2467 100644
--- a/src/insets/InsetIndex.cpp
+++ b/src/insets/InsetIndex.cpp
@@ -189,6 +189,8 @@ void InsetIndex::latex(otexstream & ios, OutputParams const & runparams_in) cons
 void InsetIndex::docbook(XMLStream & xs, OutputParams const & runparams) const
 {
 	// Get the content of the inset as LaTeX, as some things may be encoded as ERT (like {}).
+	// TODO: if there is an ERT within the index term, its conversion should be tried, in case it becomes useful;
+	//  otherwise, ERTs should become comments. For now, they are just copied as-is, which is barely satisfactory.
 	odocstringstream odss;
 	otexstream ots(odss);
 	InsetText::latex(ots, runparams);