Rational Developer for System z

Choosing an editor

The System z® LPEX Editor is the default editor for COBOL, PL/I, and Assembler files. You can choose an alternative editor, such as the COBOL Editor or PL/I Editor, by using the Open with menu item. You can also change the default editor associated with any particular file extension.
For an experience similar to ISPF, you might prefer the System z Lpex Editor. For an experience consistent with traditional Eclipse editors, such as the Java and C++ editors, you might prefer the COBOL Editor and PL/I Editor.
Restriction: The COBOL Editor, PL/I Editor, and compare editor (when comparing COBOL and PL/I files) have several limitations:
  • Double-byte character set (DBCS) limitations: Remote DBCS characters are not supported. Files containing remote DBCS characters can be opened in read-only mode only. Use the System z LPEX Editor to edit these files.
  • Bidirectional Text Limitations: Remote bidirectional characters are not supported. Remote files containing bidirectional characters can be opened in read-only mode only. Use the System z LPEX Editor to edit these files.
  • Other Limitations: Several features present in the System z LPEX Editor are not available in the COBOL Editor, PL/I Editor, or compare editor when comparing COBOL or PL/I files, including autosave, automatic maintenance of sequence numbers, and preventing text modifications left of the information margin from shifting sequence numbers out of position.


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