[LyX/master] InsetInfo: Pass back inset-modify that do not target this inset

[Juergen Spitzmueller]

commit f6d9e4170d762429655b7b343e6c20ade21f3f12
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Mon Jul 13 16:14:21 2020 +0200

    InsetInfo: Pass back inset-modify that do not target this inset
    
    Fixes #9214.
---
 src/insets/InsetInfo.cpp |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/insets/InsetInfo.cpp b/src/insets/InsetInfo.cpp
index 0847106..b23255a 100644
--- a/src/insets/InsetInfo.cpp
+++ b/src/insets/InsetInfo.cpp
@@ -624,6 +624,8 @@ bool InsetInfo::getStatus(Cursor & cur, FuncRequest const & cmd,
 		return true;
 
 	case LFUN_INSET_MODIFY:
+		if (nameTranslator().find(cmd.getArg(0)) == InsetInfoParams::UNKNOWN_INFO)
+			return Inset::getStatus(cur, cmd, flag);
 		if (params_.validateArgument(&buffer(), cmd.argument())) {
 			flag.setEnabled(true);
 			string typestr;
@@ -648,6 +650,10 @@ void InsetInfo::doDispatch(Cursor & cur, FuncRequest & cmd)
 {
 	switch (cmd.action()) {
 	case LFUN_INSET_MODIFY:
+		if (nameTranslator().find(cmd.getArg(0)) == InsetInfoParams::UNKNOWN_INFO) {
+			cur.undispatched();
+			break;
+		}
 		cur.recordUndo();
 		setInfo(to_utf8(cmd.argument()));
 		cur.forceBufferUpdate();