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* This is rendered with ms, so we now need the entire groff on Debian.
This is not a big deal as it just adds a few kilobytes of build-time dependencies.
Most platforms do not allow installation of some "groff-base" package anyway
and always draw in the entire package.
* sciteco.tmac has been extended to disable page breaks on ms.
* The tutorial is installed like any other woman page and can be invoked
interactively with ?tutorial$.
* It is optimized to be still usable on a plain 80x24 terminal.
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The trailing digits where cut off the filename.
E.g. when trying `sciteco test.f77:100`, we would open test.f on line 100 instead.
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lParam as null-terminated strings
* Being able to embed null bytes into the lParam string is
practically useless - there aren't any messages where this is useful
and where there are no native SciTECO counterparts - so this case is now catched
and the null-byte separates wParam from lParam.
* wParam can be the empty string, but it is not supported to pass wParam as a
string and lParam as the empty string.
If the second string argument ends in ^@, lParam is popped from the stack instead.
* This is a temporary workaround until we can properly parse the Scintilla.iface and
generate more elegant per-message wrappers.
* It in particular unlocks the SCI_SETREPRESENTATION and SCI_SETPROPERTY messages.
The former allows us to write a special hex-editor macro which sets hexadecimal
character representations, while the latter allows you to set lexer properties.
* The C-based lexers ("cpp" in Lexilla) can now take preprocessor definitions into account.
This is disabled by default, unless you set lexer.c.defines before opening a file.
You can also set it interactively and re-set the lexer. For instance:
^U[lexer.c.defines]NDEBUG$ M[lexer.set.c]
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the beginning of words now
* All commands and their documentations were inconsistent.
* ^W rubbed out to the beginning of words.
* Shift+Right (fnkeys.tes) moved to the beginning of the next word if
invoked at the beginning of a word and to the end of the next word otherwise.
* <W> (and <V> and <Y> by extension) moved to the end of the next word.
* The cheat sheet would claim that <W> moves to the beginning of the next word.
* Video TECO's <W> command would differ again from everything else.
With positive arguments, it moved to the beginning of words, while
with negative it moved to end of words.
I decided not to copy this behavior.
* It has been decided to adopt a consistent beginning-of-words policy.
-W therefore differs from Video TECO in moving to the beginning of the
current or previous word.
* teco_find_words() is now based on parsing the document pointer, instead
of relying on SCI_WORDENDPOSITION, since the latter cannot actually be
used to skip strictly non-word characters.
This requires a constant amount of Scintilla messages but will require fewer
messages only when moving for more than 3 words.
* The semantics of <W> are therefore now consistent with Vim and Emacs as well.
* Shift+Right/Left is still based on SCI_WORDENDPOSITION, so it's behavior
differs slightly from <W> for instance at the end of lines, as it will
stop at linebreaks.
* Unfortunately, these changes will break lots of macros, among others
the M#rf, M#sp and git.blame macros ("Useful macros" from the wiki).
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* You practically never want to indent in SciTECO code with hard tabs, as the hard tab is
an insertion command.
* 2-char soft tabs are the convention in SciTECO's included macros.
* Fixes the M#it macro among other things.
* If you do want to insert an insertion-with-tab command (ASCII 9), you almost always will
want to type it ^I instead.
Real ASCII 9s should consequently be highlighted, ie. there should be a character representation.
Unfortunately, character representations are currently set in C code and cannot be changed via <ES>.
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These are all more or less plain text formats.
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* Highlights both 1st level and 2nd level quotes and signatures.
* This also sets the edge to 78 columns, as is recommended for email and
enables word wrapping.
The edge mode is not set, since it kind of looks ugly in Scinterm.
* Helps when using SciTECO as the email editor for instance in the
Aerc mail client.
* Unfortunately, we cannot set up Scintilla to automatically break words
after 78 columns (or perhaps that's a good thing).
You can use the M#rf reformat-paragraph macro to reflow paragraphs
before sending the mail.
This will take the edge column into account even if no edge mode is set.
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* Using the same values as on Curses/scinterm resulted in too dark colors with
terminal.tes. (solarized.tes actually defines all colors with its own RGB values,
so the look has always been consistent between Curses and GTK.)
This is because the values like 0xFF0000 for red are actually just placeholders in Scinterm,
in turn translated internally to Curses colors, which are interpreted by terminal emulators
with possibly various different color palettes.
* We therefore now use the exact RGB values as will be used by common terminal emulators
like xterm and st.
It does not guarantee that the colors will always match between Curses and GTK,
but at least the GTK colors are now a bit brighter.
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* You need to set 0,64ED to enable mouse processing in Curses.
It is always enabled in Gtk as it should never make the experience worse.
sample.teco_ini enables mouse support, since this should be the new default.
`sciteco --no-profile` won't have it enabled, though.
* On curses, it requires the ncurses mouse protocol version 2, which will
also be supported by PDCurses.
* Similar to the Curses API, a special key macro ^KMOUSE is inserted if any of the supported
mouse events has been detected.
* You can then use -EJ to get the type of mouse event, which can be used
with a computed goto in the command-line editing macro.
Alternatively, this could have been solved with separate ^KMOUSE:PRESSED,
^KMOUSE:RELEASED etc. pseudo-key macros.
* The default ^KMOUSE implementation in fnkeys.tes supports the following:
* Left click: Edit command line to jump to position.
* Ctrl+left click: Jump to beginning of line.
* Right click: Insert position or position range (when dragging).
* Double right click: insert range for word under cursor
* Ctrl+right click: Insert beginning of line
* Scroll wheel: scrolls (faster with shift)
* Ctrl+scroll wheel: zoom (GTK-only)
* Currently, there is no visual feedback when "selecting" ranges
via right-click+drag.
This would be tricky to do and most terminal emulators do not appear
to support continuous mouse updates.
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* This is done via the new opener.tes in the standard library.
* Some programs that use $EDITOR expect the +line syntax to work.
* You can copy filename:line:column directly from GCC error messages
and filename:line from grep output.
* Since there may be safe file names beginning with "+" or containing colons,
there needs to be a way to turn this off, especially for scripts that don't
know anything about the filenames to open.
This is done with "--".
Unfortunately, the first "--", that stops parameter processing,
is always removed from the command line and not passed down into TECO land.
This is not a problem for stand-alone scripts,
since the script filename is already stopping option processing, so "--"
would get passed down.
But when calling the profile via `sciteco -- ...`, you could prevent leading
minus signs to cause problems but since the `--` is removed, opener.tes cannot
use it as a hint.
Therefore, we introduced `-S` as a new alternative to `--`, that's always passed
down as `--` (i.e. it is equivalent to "-- --").
In other words, `sciteco -S *` will always open exactly the specified files
without any danger of misinterpreting certain file names.
Should we ever switch to a custom option parsing algorithm, we might preserve
"--" (unless after --mung) and thus get rid of "-S".
* This advanced behavior can be tweaked by the user relatively easily.
In the easiest case, we could replace M[opener] with
<:L;R 0X.f [* @EB/^EN.f/ ]* L>
in ~/.teco_ini to completely disable the special syntax.
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* This goes into session.vcs as well.
* `fossil info` does not allow printing only the local-root property, so we have to do
some parsing afterwards.
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* In fact, since SVN has --no-newline, this is even simpler than on Git and Mercurial.
* This requires at least Subversion v1.9 (2015, so should be safe).
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* The previous convention of !* ... *! are now true block comments,
i.e. they are parsed faster, don't spam the goto table and allow
embedding of exclamation marks - only "*!" terminates the comment.
* It is therefore now forbidden to have goto labels beginning with "*".
* Also support "!!" to introduce EOL comments (like C++'s //).
This disallows empty labels, but they weren't useful anyway.
This is the shortest way to begin a comment.
* All comment labels have been converted to true comments, to ensure
that syntax highlighting works correctly.
EOL comments are used for single line commented-out code, since it's
easiest to uncomment - you don't have to jump to the line end.
This is a pure convention / coding style.
Other people might do it differently.
* It's of course still possible to abuse goto labels as comments
as TECO did for ages.
* In lexing / syntax highlighting, labels and comments are highlighted differently.
* When syntax highlighting, a single "!" will first be highlighted as a label
since it's not yet unambiguous. Once you type the second character (* or !),
the first character is retroactively styled as a comment as well.
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It's a bit easier on the eyes.
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"identifier" to enable lexing in the container
* SCI_SETILEXER(NULL) is not a reliable way to do that since
that's the default for all views.
* This was breaking the git.tes lexer for instance and was unnecessarily
driving teco_lexer_style() on plain-text documents.
* Since we currently do not implement the ILexer5 C++ interface
and teco_view_t is just a pointer alias, we are abusing the view's "identifier" instead.
This is probably sufficient, as long as there is only one lexer "in the container".
Otherwise, there should perhaps be a single C++ class that does nothing but
wrapping a callback into an ILexer5 object with a C ABI.
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* this works by embedding the SciTECO parser and driving it always (exclusively)
in parse-only mode.
* A new teco_state_t::style determines the Scintilla style for any character
accepted in the given state.
* Therefore, the SciTECO lexer is always 100% exact and corresponds to the current
SciTECO grammer - it does not have to be maintained separately.
There are a few exceptions and tweaks, though.
* The contents of curly-brace escapes (`@^Uq{...}`) are rendered as ordinary
code using a separate parser instance.
This can be disabled with the lexer.sciteco.macrodef property.
Unfortunately, SciTECO does not currently allow setting lexer properties (FIXME).
* Labels and comments are currently styled the same.
This could change in the future once we introduce real comments.
* Lexers are usually implemented in C++, but I did not want to draw in C++.
Especially not since we'd have to include parser.h and other SciTECO headers,
that really do not want to keep C++-compatible.
Instead, the lexer is implemented "in the container".
@ES/SCI_SETILEXER/sciteco/ is internally translated to SCI_SETILEXER(NULL)
and we get Scintilla notifications when styling the view becomes necessary.
This is then centrally forwarded to the teco_lexer_style() which
uses the ordinary teco_view_ssm() API for styling.
* Once the command line becomes a Scintilla view even on Curses,
we can enabled syntax highlighting of the command line macro.
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* As known from DEC TECO, but extended to convert absolute positions to line numbers as well.
:^Q returns the current line.
* Especially useful in macros that accept line arguments,
as it is much shorter than something like
^E@ES/LINEFROMPOSITION//+Q.l@ES/POSITIONFROMLINE//:^E-.
* On the other hand, the fact that ^Q checks the line range means we cannot
easily replace lexer.checkheader with something like
[:J 0,^Q::S...$ ]:
Using SCI_POSITIONFROMLINE still has the advantage that it returns `Z` for out-of-bounds ranges
which would be cumbersome to write with the current ^Q.
* Perhaps there should be a separate command for converting between absolute lines and positions
and :^Q should be repurposed to return a failure boolean for out-of-range values?
* fnkeys.tes could be simplified.
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::FS as well)
* The colon modifier can now occur 2 times.
Specifying `@` more than once or `:` more than twice is an error now.
* Commands do not check for excess colon modifiers - almost every command would have
to check it. Instead, a double colon will simply behave like a single colon on most
commands.
* All search commands inherit the anchored semantics, but it's not very useful in some combinations
like -::S, ::N or ::FK.
That's why the `::` variants are not documented everywhere.
* The lexer.checkheader macro could be simplified and should also be faster now,
speeding up startup.
Eventually this macro can be made superfluous, e.g. by using 1:FB or 0,1^Q::S.
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* lexer.checkheader is therefore case-sensitive now as well
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* We cannot call it "." since that introduces a local register
and we don't want to add an unnecessary syntactic exception.
* Allows the idiom [: ... ]: to temporarily move around.
Also, you can now write ^E\: without having to store dot in a register first.
* In the future we might add an ^E register as well for byte offsets.
However, there are much fewer useful applications.
* Of course, you can now also write nU: instead of nJ, Q: instead of "." and
n%: instead of "nC.". However it's all not really useful.
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filenames containing ASCII 27
* You can now set a per-file tab style, that differs from the defaults established
in the ED hook.
This is important especially since we do not yet support per-project .teco_ini
scripts where you could establish differing policies depending on the VCS repository.
(The latter would be easy to implement, but we cannot currently easily extend the
existing ED hooks.)
* It's unlikely that files contain an ASCII 27, but not impossible.
Therefore we now use ASCII 0 (^@) as a terminator.
This indeed be safe under UNIX.
Even better would be a string building construct for escaping ASCII 27 ($), though,
as that would work with arbitrary bytes.
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The macro prefix was changed from ^F to ^K.
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* Curses: "icons" have also been added
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This previously highlighted little more than embedded Javascripts.
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* ALL keypresses (the UTF-8 sequences resulting from key presses) can now be remapped.
* This is especially useful with Unicode support, as you might want to alias
international characters to their corresponding latin form in the start state,
so you don't have to change keyboard layouts so often.
This is done automatically in Gtk, where we have hardware key press information,
but has to be done with key macros in Curses.
There is a new key mask 4 (bit 3) for that purpose now.
* Also, you might want to define non-ANSI letters to perform special functions in
the start state where it won't be accepted by the parser anyway.
Suppose you have a macro M→, you could define
@^U[^K→]{m→} 1^_U[^K→]
This effectively "extends" the parser and allow you to call macro "→" by a single
key press. See also #5.
* The register prefix has been changed from ^F (for function) to ^K (for key).
This is the only thing you have to change in order to migrate existing
function key macros.
* Key macros are enabled by default. There is no longer any way to disable
function key handling in curses, as I never found any reason or need to disable it.
Theoretically, the default ESCDELAY could turn out to be too small and function
keys don't get through. I doubt that's possible unless on extremely slow serial lines.
Even then, you'd have to increase ESCDELAY and instead of disabling function keys
simply define an escape surrogate.
* The ED flag has been removed and its place is reserved for a future mouse support flag
(which does make sense to disable in curses sometimes).
fnkeys.tes is consequently also enabled by default in sample.teco_ini.
* Key macros are handled as an unit. If one character results in an error,
the entire string is rubbed out.
This fixes the "CLOSE" key on Gtk.
It also makes sure that the original error message is preserved and not overwritten
by some subsequent syntax error.
It was never useful that we kept inserting characters after the first error.
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It's not a real Lexilla lexer, but simply styles the document
once in lexer.set.git in order to highlight comment lines.
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* ^Uq however always sets an UTF8 register as the source
is supposed to be a SciTECO macro which is always UTF-8.
* :^Uq preserves the register's encoding
* teco_doc_set_string() now also sets the encoding
* instead of trying to restore the encoding in teco_doc_undo_set_string(),
we now swap out the document in a teco_doc_t and pass it to an undo token.
* The get_codepage() Q-Reg method has been removed as the same
can now be done with teco_doc_get_string() and the get_string() method.
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between glyph and byte offsets (refs #5)
* ^E is heavily overloaded and can also be used to check whether a given index is valid
(as it is the same that most movement commands to internally).
Besides that, it is mainly useful for interfacing with Scintilla messages.
* EE takes a code page or 0 for ANSI/ASCII.
Currently all documents and new registers are UTF-8.
There will have to be some kind of codepage inheritance and a single-byte-only mode.
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* This is optimized for Groff, but works for Heirloom Troff and Neatroff as well.
Currently, the Heirloom and Neatroff requests are just added ontop of the Groff
ones. Theoretically, we could also try to separate the keyword lists into
a base K&R set with Groff, Heirloom and Neatroff ontop.
* The lexer necessarily has many restrictions, as Troff is fundamentally unparseable
(like classic TECO) and needs a lot of per-request knowledge.
* The "*.mm" extension has been removed from the lexers/cpp.tes.
I don't know what language this was for, and I prefer `*.mm` files
to be considered Troff.
* Temporarily changed the lexilla submodule URL.
The corresponding Lexila lexer is in the process of being upstreamed.
Once it is, I will probably revert the submodule to the official repository,
as the "troff" branch is not stable (can be rebased).
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* Horizontal movements (left/right cursor keys) establish the current column
and vertical movements (up/down) will try to keep on that column.
* This has long been problematic in SciTECO as it requires state that gets
reversed when the command line replacement takes place.
* I experimented with encoding the current horizontal position into the braced
movement operations as in (123C5U$), but I decided that this was clumsy and
I generally did not want these expressions to become even larger.
* Instead I decided to add some minimal support to the C core in the form of 4EJ
which is like a number register only that it does NOT get reversed on rubout.
This is exploited by the fnkeys.tes macros by storing the current position
beyond replacements.
* In theory, this should be a property of the document, but we cannot easily
store custom parameters per document.
So instead, there is just one global variable.
When editing another buffer, it gets reset to .ESGETCOLUMN$$.
sample.teco_ini has been updated.
* The current X position only makes sense in the context of fnkeys.tes, as
TECO commands like <C> are not necessarily "horizonal" movements.
For the same reason, the core does not try to initialize 4EJ automatically
when editing new buffers.
It's entirely left to the TECO macros.
* The commandline replacement is more robust now as it checks braced
expressions at the end of the command line more thorougly.
It will no longer swallow all preceding braced expressions.
Only if they are at least 4 characters in length and end in `C)` or `R)`.
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* Works only in Gtk of course and only in the parser start state.
* Since its side effects can neither be reversed, nor does it have any side effects on the editor state,
we can completely rub it out.
* Currently, it will only affect the current buffer and only the text area.
It would be trivial to apply the zoom to the commandline widget as well (FIXME?).
There is currently no way that the zoom value or any font size could be passed to the CSS, though.
So the auto-completion overlay could only be zoomed if Gtk supports a zoom factor as well.
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* This does not make sense for most SciTECO builds, but only when you
want to optimize for size as the lexers take up 50% of the compressed binary
size.
Without Lexilla, it should be possible get it compiled in about 500kb.
* It can be useful for instance when building for embedded distributions.
* When Lexilla is disabled, symbols-scilexer.c is also not generated
(we assume that the Lexilla sources are not available and it also doesn't serve any purpose).
* Consequently, most of the lexer configuration scripts are also not installed
under --without-lexilla.
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* For markdown.tes we should better introduce new predefined colors in the
color scheme files since it doesn't map well to existing colors.
For italic and bold, I am not using the predefined colors at all but only set
the bold and italic style attributes -- this should still be portable across
color schemes.
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Not that speed would make any difference here whatsoever...
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* single quoted constants are highlighted like single quoted strings in all other
auto-generated lexers using "CPP".
* recognize /// and //! and comments after preprocessor statements
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* The device tree lexer reuses CPP and has certain limitations.
For once it does not recognize /keywords/ and secondly it confuses
properties beginning with # as preprocessor statements.
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* NOTE: Selections are currently only used to highlight search results.
* The default selection colors were not always visible well with default settings (--no-profile)
and they were not uniform across platforms.
On Curses, the selection would be reversed, while on Gtk it had a lighter foreground color.
They are now always reversed (black on white background).
The default styles do not assume any color support - they use only black and white.
* Since these defaults cannot possibly work on every color scheme,
color.selfore and color.selback has been added to color.tes.
All existing color schemes have been updated to configure selections as reversed
to the default colors.
This especially fixes selection colors on Gtk.
* On solarized.tes, the caret style was already distinct from inversed default colors.
On terminal.tes, the color of the caret is now bright white, so it stands out
from the selection colors.
* In Curses, the caret color is currently __not__ applied to the command line where
it is continued to be drawn reversed.
The command line drawing code is considered deprecated and will eventually be replaced
with a Scintilla minibuffer.
* In Gtk, we now apply the caret style to the commandline view as well.
* Fixed the comment color in solarized.light.
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* Previous Scintilla version was 3.6.4 and Scinterm was 1.7 (with lots of custom patches).
All of the patches are now either irrelevant or have been merged upstream.
* Since Scintilla 5 requires C++17, this increases the minimum GCC version at least
to 5.0. We may actually require even newer versions.
* I could not upgrade the scintilla-mirror (which was imported from Mercurial),
so the old sciteco-dev branch was renamed to sciteco-dev-pre-v2.0.0,
master was deleted and I reimported the entire Scintilla repo using
git-remote-hg.
This means that scintilla-mirror now contains two entirely separate trees.
But it is still possible to clone old SciTECO repos.
* The strategy/workflow of maintaining hotfix branches on scintilla-mirror has been changed.
Instead of having one sciteco-dev branch that is rebased onto new Scintilla upstream
releases and tagging SciTECO releases in scintilla-mirror (to keep the commits referenced),
we now create a branch for every Scintilla version we are based on (eg. sciteco-rel-5-1-3).
This branch is never rebased or deleted. Therefore, we are guaranteed to be able to
clone arbitrary SciTECO repo commits - not only releases.
Releases no longer have to be tagged in scintilla-mirror.
On the downside, fixup commits may accumulate in these new branches.
They can only be squashed once a new branch for a new Scintilla release is created
(e.g. by cherry-picking followed by rebase).
* Scinterm does no longer have to reside in the Scintilla subdirectory,
so we added it as a regular submodule.
There are no more recursive submodules.
The Scinterm build system has not been improved at all, but we use
a trick based on VPATH to build Scinterm in scintilla/bin/.
* Scinterm is now in Git and we reference the upstream repo for the
time being.
We might mirror it and apply the same branching workflow as with Scintilla
if necessary.
The scinterm-mirror repository still exists but has not been touched.
We will also have to rewrite its master branch as it was a non-reproducible
Mercurial import.
* Scinterm now also comes with patches for Scintilla which we simply applied
on our sciteco-rel-5-1-3 branch.
* Scintilla 5 outsourced its lexers into the Lexilla project.
We added it as yet another submodule.
* All submodules have been moved into contrib/.
* The Scintilla API for setting lexers has consequently changed.
We now have to call SCI_SETILEXER(0, CreateLexer(name)).
As I did not want to introduce a separate command for setting lexers,
<ES> has been extended to allow setting lexers by name with the SCI_SETILEXER
message which effectively replaces SCI_SETLEXERLANGUAGE.
* The lexer macros (SCLEX_...) no longer serve any purpose - they weren't used
in the SciTECO standard library anyway - and have consequently been removed
from symbols-scilexer.c.
The style macros from SciLexer.h (SCE_...) are theoretically still useful - even
though they are not used by our current color schemes - and have therefore been
retained. They can be specified as wParam in <ES>.
* <ES> no longer allows symbolic constants for lParam.
This never made any sense since all supported symbols were always wParam.
* Scinterm supports new native cursor modes.
They are not used for the time being and the previous CARETSTYLE_BLOCK_AFTER
caret style is configured by default.
It makes no sense to enable native cursor modes now since the
command line should have a native cursor but is not yet a Scintilla view.
* The Scintilla upgrade performed much worse than before,
so some optimizations will be necessary.
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* a proper Arduino lexer supporting the special Arduino keywords/classes
could in principle be written, but for the time being they're treated
just like regular C++ sources
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* the ESSTYLECLEARALL$$ was resetting the STYLE_CALLTIP
(and others) resulting in wrongly-styled popups.
* We now only change STYLE_DEFAULT for Gtk UIs and
use `color.init` to reinitialize the other styles
(not very elegant).
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* this uses an optstring compatible with getopt(3).
* It does not use repeated getopt calls to iterate options, though
but places the results in registers beginning with "getopt.".
E.g. option "C" will result in "getopt.C" being set after the
call to setopt.
String arguments are supported and are placed in the string part
of the getopt registers.
* The grosciteco.tes and symbols-extract.tes scripts make use of
getopt now, to simplify and clean up their command line handling.
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* the new "?" (help) command can be used to look up
help topics.
* help topics are index from $SCITECOPATH/women/*.woman.tec
files.
* looking up a help topic opens the corresponding "womanpage"
and jumps to the position of the topic (it acts like an anchor
into the document).
* styling is performed by *.woman.tec files.
* Setting up the Scintilla view and munging the *.tec file
is performed by the new "woman.tes" lexer.
On supporting UIs (Gtk), womanpages are shown in a variable-width
font.
* Woman pages are usually not hand-written, but generated from manpages.
A special Groff post-processor grosciteco has been introduced for this
purpose. It is much like grotty, but can output SciTECO macros for styling
the document (ie. the *.woman.tec files).
It is documented in its own man-page.
* grosciteco also introduces sciteco.tmac - special Troff macros
for controlling the formatting of the document in SciTECO.
It also defines .SCITECO_TOPIC which can be used to mark up
help topics/terms in Troff markup.
* Woman pages are generated/formatted by grosciteco at compile-time, so
they will work on platforms without Groff (ie. as on windows).
* Groff has been added as a hard compile-time requirement.
* The sciteco(1) and sciteco(7) man pages have been augmented with
help topic anchors.
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escape glob patterns
* globbing is fnmatch(3) compatible, now on every supported platform.
* which means that escaping of glob patterns is possible now.
^ENq has been introduced to ease this task.
* This finally allows you to pass unmodified filenames to EB.
Previously it was impossible to open file names containing glob wildcards.
* this was achieved by moving from GPattern to GRegex as the underlying
implementation.
* The glob pattern is converted to a regular expression before being
compiled to a GRegex.
This turned out to be trickier than anticipated (~140 lines of code)
and has a runtime penalty of course (complexity is O(2*n) over the
pattern length).
It is IMHO still better than the alternatives, like importing
external code from libiberty, which is potentially non-cross-platform.
* Using GRegex also opens the potential of supporting brace "expansions"
later in the form of glob pattern constructs
(they won't actually expand but match alternatives).
* is_glob_pattern() has been simplified and moved to Globber::is_pattern().
It makes sense to reuse the Globber class namespace instead of using
plain functions for functions working on glob patterns.
* The documentation has a new subsection on glob patterns now.
* Testsuite extended with glob pattern test cases
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* turned out to be a very handy feature
* can be turned off by setting register `session.savedir` to false
* also fixed the line endings in .teco_session files to line-feed (ie. native)
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* the *.mm extension is for Objective C++. Therefore cpp.tes
should be responsible.
* Objective C keywords have been added to lexer.c.basekeywords.
It does not hurt adding them to all C descendants.
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