Upstream changes:
(only for release 2.13.3)
This version is a bugfix release against 2.13.2. It includes about 40 bug
and documentation fixes and some minor improvements:
* Fixed some macro issues (cc65).
* Static const local data goes into RODATA, not DATA (cc65).
* Fix error handling in .LEFT (ca65)
* Fixed problems with 80 column mode (C128 library).
* Fix problem when converting function to void pointer (cc65).
* Fix register info for several runtime functions. Result was invalid code
(cc65).
* Fix smbx and rmbx instructions (da65).
* Fix problem with .REPEAT (ca65).
* Fix an error in the runtime division routine (cc65).
* Fix problem with alignments >= 256 bytes (ca65).
* The LINE function mistakenly enabled the BASIC ROM (TGI driver for C64).
* Fix internal error caused by error recovery (or lack of) (cc65).
* Fix invalid handling of signed int types in some cases (cc65).
* Fix some issues with conio scrolling (C128 library).
* Fix and improve the code for compares (cc65).
* Fix some macro issues (ca65).
* Fixed/improved several error messages (all tools).
* Disallow __asm__ on global level (cc65).
* Remove final jump to RESTOR for all CBM platforms (cc65 libraries).
* Add missing export for CBM510 platform (cbm510 library).
* Fix problem with access to structs returned by functions (cc65).
* Fix an internal error in the code generator (cc65).
* Merge back POSIX directory routines for the Atari (atari library).
* Merge back Olivers C interrupt handling code (cc65 libraries).
* Several documentation changes.
* Several documentation fixes and improvements.
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