Set as v1.0 Ratified 

Bump to 1.0.0-rc4. There have been continuous minor clarifications since rc3.

Update revdate and revnumber. 

Load data before trigger priority was ambiguous. 

Add critical error value to extcause 

Merge branch 'main' into rc2 To get some misc asciidoc fixes.

Merge pull request #971 from riscv/merge_asciidoc Convert to asciidoc

Invalid addresses might not match. (#911) * Clarify matching on invalid virtual addresses behavior See: * https://lists.riscv.org/g/tech-debug/message/1407 * https://lists.riscv.org/g/tech-debug/files/meetings%202023/2023-01-10%20Debug%20Task%20Group%20Call%20Notes.pdf * https://lists.riscv.org/g/tech-debug/files/meetings%202023/2023-01-10%20Debug%20Task%20Group%20Call%20Slides.pdf * Allow invalid addresses not to match at all. Also clarify tdata2 requirements for triggers that are only used for address matches.

Invalid addresses might not match. (#911) * Clarify matching on invalid virtual addresses behavior See: * https://lists.riscv.org/g/tech-debug/message/1407 * https://lists.riscv.org/g/tech-debug/files/meetings%202023/2023-01-10%20Debug%20Task%20Group%20Call%20Notes.pdf * https://lists.riscv.org/g/tech-debug/files/meetings%202023/2023-01-10%20Debug%20Task%20Group%20Call%20Slides.pdf * Allow invalid addresses not to match at all. Also clarify tdata2 requirements for triggers that are only used for address matches.

Rebuild PDF.