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* `[q]~` was broken and resulted in crashes since it reset the clipboard character to 0.
In fact, if we don't want to break the `[a]b` idiom we cannot use the numeric cell
of register `~`.
* Therefore we no longer use the numeric part of register `~`.
Once the clipboard registers are initialized they completely replace
any existing register with the same name that may have been
set in the profile.
So we still don't leak any memory.
(But perhaps it would now be better to fail with an error
if one of the clipboard registers already exist?)
* Instead, bit 10 (1024) of ED is now used to change the default
clipboard to the primary selection.
The alternative might have been an EJ flag or even a special register containing
the name of the default clipboard register.
* partially reverses 8c6de6cc718debf44f6056a4c34c4fbb13bc5020
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* It continues to default to 67 (C), which is the system clipboard.
But you can now overwrite it e.g. by adding `^^PU~` to the profile.
* This fixes a minor memory leak:
If you set one of the clipboard registers in the profile (initializing
them as plain registers), the clipboard register had been leaked.
The clipboard registers now replace any existing register,
while at the same time preserving the numeric part.
* All remaining Q-Reg table insertions use a new function
teco_qreg_table_insert_unique() which adds an assertion, so that
we notice any future possible memory leaks.
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command now
* Improves DEC TECO-11 compatibility.
* <EM> is still supported as a synonym, but considered deprecated and is no longer documented.
A warning is printed when invoked.
It can be repurposed at any time in the future.
* `EI$` is not yet supported.
I am unsure whether this makes any sense.
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* Support fold level configuration using `.SCITECO_FOLDLEVEL`.
This sets the current output line as the fold header and all subsequent lines
with the given fold level (until another `.SCITECO_FOLDLEVEL` instruction
is encountered).
* This is now done automatically for man's SH and SS macros,
so the man-page based woman pages provide folding.
* The folding margin is therefore now always enabled in fallback.teco_ini.
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* Set up the folding margin in the currently empty margin column
after the line number.
On Gtk, this meant resetting all the marker symbols and their
foreground/background colors as well as the margin's colors themselves.
This looks like a bug. It's not necessary on Scinterm, which apparently
uses the default/linenumber styles by default.
Perhaps we should try upgrading Scintilla?
* The folding state is considered not to be directly controlled by the
language (just like the scroll position and zoom level). That's why
we can directly control it by clicking on the margin column.
* F1 can be used to toggle all folds globally.
* The only support within the C core necessary for folding is to make
sure that the current line is unfolded after every keypress.
* We might add custom folding commands to the language later on
(e.g. F+, F-). In this case, the key macros will have to be changed
of course.
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customized (refs #34)
* In the grosciteco-generated .woman.tec files, the fonts were only
set on the monospaced styles if lexer.font was set since it was
undefined by default.
We'd need a lare IF-ELSE statement to handle that in womanpages
since woman.tes changes the default font to a variable-width font.
Just leaving the default font, therefore won't work.
* We now always initialize lexer.font in lexer.tes.
You no longer have to check for its existance.
* Consequently, you can no longer set lexer.font *before* munging
lexer.tes because it will be overwritten.
At least not without additional checks.
Such a design is not suggested by fallback.teco_ini, though.
* Fixes monospaced sections in the tutorial and other womanpages on Gtk.
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variable-width font is configurable via lexer.woman.font (refs #34)
* grosciteco was just hardcoding "Monospace", regardless of what was configured via lexer.font in ~/.teco_ini
* The variable-width font used for ordinary "womanpage" body texts was hardcoded to "Serif".
It is now configurable via the lexer.woman.font register.
* There is a difference, though:
lexer.font has no default value and must therefore be checked everywhere.
This is so you can set it even before munging lexer.tes.
lexer.woman.font however has a default (Serif), so it can only be overridden after
munging lexer.tes.
Perhaps it would be easier and more consistent to have a default for lexer.font as well.
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* After installation, SciTECO will therefore start into a more userfriendly mode
even if the user does not create a custom ~/.teco_ini.
It is hoped that this will scare away less of new users, who
are not willing to read through all of the documentation.
Still, users are warned in the absence of ~/.teco_ini.
This warning however, might not be immediately visible, especially
not when running gsciteco without an attached console.
(This will change once I redo the UI and allow a number of messages
to be queued in the message area.)
* Theoretically, you could also just extend fallback.teco_ini from ~/.teco_ini,
but that would require installing it into $SCITECOPATH.
* Since the fallback profile will now be munged automatically
on a wide range of systems, we set up xclip only when detecting X11
($DISPLAY is non-empty).
E.g. when running under Wayland or the Linux console, you still won't
get the clipboard registers, which is probably better than having the
clipboard operations fail once you try to use them.
* xclip is now "suggested" on Debian/Ubuntu.
Unfortunately we cannot pull it in only in the presence of X11.
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