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* activated via bit 4 of the ED flag (enabled by default)
* automatic EOL guessing on file loading and translation to LFs.
* works with files that have inconsistent EOL sequences.
* automatic translation to original EOL sequences on file saving
* works with inconsistent EOL sequences in the buffer.
This should usually not happen if the file was read in with
automatic EOL translation enabled.
* also works with the EC and EG commands
* performance is OK, depending on the file being translated.
When reading files with UNIX EOLs, the overhead is minimal
typically-sized files. For DOS EOLs the overhead is larger
but still acceptable.
* Return (line feed) is now an immediate editing command.
This centralizes EOL sequence insertion.
Later, other features like auto-indent could be added to
the editing command.
* get_eol() has been moved to main.cpp (now called
get_eol_seq()
* Warn if file ownership could not be preserved when
saving files.
* IOView has been almost completely rewritten based
on GIOChannels. The EOL translation code is also in IOView.
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* acts as a safe-guard against uninterrupted infinite loops
or other operations that are costly to undo in interactive mode.
If we're out of memory, it is usually too late to react properly.
This implementation tries to avoid OOMs due to SciTECO behaviour.
We cannot fully exclude the chance of an OOM error.
* The undo stack size is only approximated using the
UndoToken::get_size() method.
Other ways to measure the exact amount of allocated heap
(including size fields in every heap object or using sbrk(0) and
similar) are either costly in terms of memory or platform-specific.
This implementation does not need any additional memory per heap
object or undo token but exploits the fact that undo tokens
are virtual already. The size of an undo token is determined
at compile time.
* Default memory limit of 500mb should be OK for most people.
* The current limit can be queried with "2EJ" and set with <x>,2EJ.
This also works interactively (a bit tricky!)
* Limiting can be disabled. In this case, undo token processing
is a bit faster.
* closes #3
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* also did some whitespace cleanup in SciTECO now that tabs are
displayed properly
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optimized screen refreshing/redrawing
* pressing e.g. TAB when the popup is showing a list of auto-completions
will show the next page, eventually beginning at the first one again.
* do not redraw curses windows in the UI methods directly. this resulted
in flickering during command-line editing macros and ordinary macro calls
because the physical screen was updated immediately.
Instead, window refreshing and updated is done centrally in
event_loop_iter() only after a key has been processed.
Also we use wnoutrefresh() and doupdate() to send as little to the
terminal (emulator) as possible.
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* the GError expection has been renamed to GlibError, to avoid
nameclashes when working from the SciTECO namespace
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this breaks many existing scripts, and means you may have to rebuild SciTECO
with ./configure --enable-bootstrap
The syntax of SciTECO might change in backwards-incompatible until
version 1.0 is released.
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when the file name changes, there will no longer be a use-less
save point file. instead the new file is deleted upon rubout.
* save points are properly created if a file already exists
with the same name, even though it was not known to SciTECO before
the save. (e.g. you do save-as to a file that already exists).
* more effects of the save command can now be rubbed out correctly
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test case: 1<()>
* an empty brace (or content that does not leave anything on the stack)
resulted in the brace op to be left on the stack which makes the op stack
inconsistent
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* referencing temporaries is unreliable/buggy in GNU C++, at least since v4.7
* in higher optimization levels it resulted in massive memory corruptions
* this is responsible for the build issues (PPA build issues)
* instead, always declare a buffer on the stack which guarantees that the
variable lives long enough
* the g_strdup(CHR2STR(x)) idiom has been replaced with String::chrdup(x)
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* allows us to remove most patches. One however is still necessary
(Scinterm Makefile bug!)
* TECO-style control code echoing is now set up using the SCI_SETREPRESENTATION message
* updated copyrights
* updated TODO
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commandline
fixes errors in loops or loop interruptions (may leave program counter
somewhere in the loop)
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* works with/without save-points (i.e. in batch and interactive mode, both were broken)
* improved file-saving performance (avoid buffer gap removal)
* only root can preserve the ownership of a file owned by another user after file saving
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language and commands will be described in separate documents
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* updated TODO
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in the future, I might submit a more elaborate Scintilla patch for configuring
the control code strings.
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also updated AUTHORS
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