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2024-03-03runtime(java): Recognise text blocks (#14128)Aliaksei Budavei
Also, accept as valid the space escape sequence `\s`. Also, consistently use the claimed `javaDebug` prefix for syntax group definitions kept under `g:java_highlight_debug`. Since `javaStringError` is commented out for its generality, let's comment out `javaDebugStringError`, its copy, as well. References: https://openjdk.org/jeps/378 https://docs.oracle.com/javase/specs/jls/se17/html/jls-3.html#jls-3.10.7 Closes #10910. Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
2024-03-01runtime(java): Improve the recognition of literals (#14120)Aliaksei Budavei
* Emend the Unicode and octal escape sequence patterns; * Accept the (repeated) underscore separators in all numerical literals; * Recognise hexadecimal floating-point literals. (The space escape sequence '\s' will be introduced along with text blocks in another PR.) References: https://docs.oracle.com/javase/specs/jls/se17/html/jls-3.html#jls-3.3 https://docs.oracle.com/javase/specs/jls/se17/html/jls-3.html#jls-3.10.1 https://docs.oracle.com/javase/specs/jls/se17/html/jls-3.html#jls-3.10.2 https://docs.oracle.com/javase/specs/jls/se17/html/jls-3.html#jls-3.10.7 Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com> Signed-off-by: Christian Brabandt <cb@256bit.org>