Example:
[LT.scr.gz](https://github.com/LibreDWG/libredwg/files/10468962/LT.scr.gz)
[LT.DWG.gz](https://github.com/LibreDWG/libredwg/files/10468963/LT.DWG.gz)

```
entities_start: 0x2e5 [RLx 0]
entities_end: 0x2e5 [RLx 0]
blocks_start: 0xffffc0bd [RLx 0]
blocks_size: 0x0 [RLx 0]
blocks_end: 0x0 [RLx 0]
blocks_max: 0x80000000 [RLx 0]
```
and
```contents table VIEW     [ 6]: size:91   num:0   (0xffffc0bd-0xffffc0bd)
Warning:
@0xc0bd => blocks_start 0xffffc0bd
ERROR: bit_read_TF buffer overflow at 49341.4294901760 + 0 > 49341
unknown (-65536):
```
Issue with block_start in case with many linetypes (AC2.10)
This is a GitHub Issue
repo:libredwg
owner:LibreDWG
Title : Issue with block_start in case with many linetypes (AC2.10)
Issue date:

--- start body ---
Example:
[LT.scr.gz](https://github.com/LibreDWG/libredwg/files/10468962/LT.scr.gz)
[LT.DWG.gz](https://github.com/LibreDWG/libredwg/files/10468963/LT.DWG.gz)

```
entities_start: 0x2e5 [RLx 0]
entities_end: 0x2e5 [RLx 0]
blocks_start: 0xffffc0bd [RLx 0]
blocks_size: 0x0 [RLx 0]
blocks_end: 0x0 [RLx 0]
blocks_max: 0x80000000 [RLx 0]
```
and
```contents table VIEW     [ 6]: size:91   num:0   (0xffffc0bd-0xffffc0bd)
Warning:
@0xc0bd => blocks_start 0xffffc0bd
ERROR: bit_read_TF buffer overflow at 49341.4294901760 + 0 > 49341
unknown (-65536):
```
--- end body ---
