KalleOlaviNiemitalo commented on PR #3128:
URL: https://github.com/apache/avro/pull/3128#issuecomment-2322199098
A trailing backslash might cause trouble. If the schema has `"doc": "Do not
use the backslash character \\"`, and you generate C++
```cpp
// Do not use the backslash character \
struct RootRecord {
...
```
then the preprocessor will treat the `struct RootRecord {` line as part of
the comment. This cannot be fixed by doubling the backslash; and with GCC,
this cannot be fixed by appending space characters either ([Escaped Newlines
(Using the GNU Compiler Collection
(GCC))](https://gcc.gnu.org/onlinedocs/gcc-12.2.0/gcc/Escaped-Newlines.html)).
I guess the code generator could detect that the last line of the comment ends
with a backslash (optionally followed by whitespace), and inject another
comment line;
```cpp
// Do not use the backslash character \
//
struct RootRecord {
...
```
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