From jEdit 4.2 to 4.3
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## From jEdit 4.2 to 4.3

1. All regular expressions in mode files were rewritten to use java.util.regex instead of gnu.regexp.

2. `HASH_CHAR` handling of `xxx_REGEXP` elements has been updated, as explained in the section called “The SPAN_REGEXP Tag”.

3. The `EXCLUDE_MATCH` attribute got superseded by `MATCH_TYPE`. The attribute values translate from `TRUE` to `CONTEXT` and from `FALSE` to `RULE`, respectively. For more information see the section called “The MATCH_TYPE Attribute”.

4. `NO_ESCAPE` is now deprecated and ignored by the parsing engine. `ESCAPE` is now a valid attribute for `SPAN` and `SPAN_REGEXP` rules.

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