CDoc1 XmlWriter error handling #419

Job	Run time
Build on Ubuntu for androidx86_64	8m 22s
Build on Windows (windows-2025, x64)	21m 56s
Build on Ubuntu for androidarm64	8m 27s
Build on Ubuntu for androidarm	7m 47s
Build on Windows (windows-2025, arm64)	15m 10s
Build on Ubuntu 22.04 arm64	2m 11s
Build on Ubuntu 22.04 amd64	3m 50s
Build on Ubuntu 24.04 arm64	2m 38s
Build on Ubuntu 25.04 amd64	3m 53s
Build on macOS for macos	1m 11s
Build on macOS for iphonesimulator	3m 56s
Build on Ubuntu 24.04 amd64	4m 10s
Run Coverity tests	-1s
Build on Ubuntu 25.04 arm64	2m 52s
Run CodeQL tests	5m 7s
Build on macOS for iphoneos	3m 56s
Deploy pages	-1s
	1h 35m 24s

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