Gaël Écorchard comments

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                                            Gaël Écorchard

[cv_bridge] Is it correct check for color format?

I also [stumbled upon this](https://github.com/ros-perception/vision_opencv/issues/431). @ijnek Are you sure about this?

`getFirstFinalizedProtoInstance()` returns `NULL` for DEF with Lua code in v2023b

Candidates: #5978, #5676, #5774.

`getFirstFinalizedProtoInstance()` returns `NULL` for DEF with Lua code in v2023b

A PROTO with Javascript rather than Lua suffers from the same symptoms.

`getFirstFinalizedProtoInstance()` returns `NULL` for DEF with Lua code in v2023b

Can I debug the generated PROTO files (after going through the engine)?

`getFirstFinalizedProtoInstance()` returns `NULL` for DEF with Lua code in v2023b

When trying to write a small example to reproduce the issue, I wrote this PROTO: ```vrml #VRML_SIM R2023b utf8 # Robot { # children [ # DEF led LED {...

`getFirstFinalizedProtoInstance()` returns `NULL` for DEF with Lua code in v2023b

I'm trying to understand the code. What is a PROTO parameter node? In our case, when the issue appears, `protoParameterNodeInstances()` returns an empty list.

`getFirstFinalizedProtoInstance()` returns `NULL` for DEF with Lua code in v2023b

Do you mean a parameter whose type is a node?

`getFirstFinalizedProtoInstance()` returns `NULL` for DEF with Lua code in v2023b

`git bisect` allowed to determine that the bug was introduced in b95a7360fddc9fa5024f1c51facfce35a5d3e7c7 "Refactor node and PROTO creation (#5779)"

Implement writeTreeDTD()

I'm actually not sure whether `` is allowed within `` or ``.

Implement writeTreeDTD()

What about `` within ``? If they are accepted, I have the issue that DTD is not powerful enough to describe differently a `` within `` and within `` (I...