69 lines
3.3 KiB
Plaintext
Executable File
69 lines
3.3 KiB
Plaintext
Executable File
The following options are missing:
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[no]optimize - affects screen redrawing method
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[no]redraw - simulate character insertion by redrawing line
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[no]slowopen - don't use character insertion
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tags="tags" - list of tags, used as TAGPATH
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I'd like to improve the versatility of the options whose value is a command:
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cc, make, kp, and ep. I'd like to add some notation that allows you to say
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where to insert the current filename or current word.
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-------------------------------------------------------------------------------
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Currently, elvis is configured to look for | only in .exrc files. It doesn't
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look for | in any interactively entered command lines, yet.
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-------------------------------------------------------------------------------
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The 'p', '#', and 'l' flags aren't supported. Also, ex commands don't accept
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counts; e.g., ":c5" can't be used to change five lines.
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-------------------------------------------------------------------------------
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The following have been reported, but have not been verified. If you have
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experienced any of the following, and haven't reported it yet, then please
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report it now! I need more information about these bugs.
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[Bugs that are not in this list should also be reported, of course.]
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- Under VMS on an 80-column screen, after scolling sideways to approximately
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column 110, a ^L will not redraw the part of the line after the cursor.
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- On an Atari ST running under TOS: some ASCII keys seem to send '#' plus
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another key. (This is normal for non-ASCII keys like <F1> or <Help>, but
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ASCII keys should always send a single ASCII character.)
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-------------------------------------------------------------------------------
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BIG JOBS:
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Desirable extension: merge input mode and visual command mode.
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Display long lines by wrapping, like the real vi (if ":set sidescroll=0")
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-------------------------------------------------------------------------------
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- In the ":w >>filename" command, elvis doesn't allow any whitespace between
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the ">>" and "filename".
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- Elvis doesn't allow "backslash newline" inside a single EX command.
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- VMS intercepts the control-T character, which is normally used to increase
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indentation. The <Tab> key works, but it doesn't do quite the same thing.
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(":map! ^I ^T" helps.)
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- Under VMS, file I/O is very slow. Looking over the vmsio.c file, I get the
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impression that it is rather over-done for elvis. Its speed could
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probably be inproved.
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- The errlist feature doesn't seem to work with the Borland compilers. Perhaps
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they write to stderr instead of stdout? This will probably be easy to solve
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once I modify the "cc" and "make" options, as described earlier.
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- The command ":0" should move the cursor to line 1. Currently, it doesn't
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move the cursor at all.
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- File preservation is still flakey. On DOS/TOS/VMS systems, it is also more
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complex that it should be.
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- The act of appending to a cut buffer (as in "Ayy) sets file modification
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flag. It shouldn't!
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- The .exrc file is limited to BLKSIZE bytes -- 2048 on most systems, but
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1024 on Minicx-PC, Coherent, and MS-DOS.
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- I *still* haven't quite perfected the screen update code. If you suspect
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that the screen doesn't accurately reflect the contents of the edit buffer,
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then you should try doing a control-L.
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I'll be overhauling the screen update code soon to make it wrap long lines
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like the real vi. I expect to fix this bug then.
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