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Conflicts:
view.c
view.h
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This unifies cursors and selections. The cursor are now represendted
as singleton selections.
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Previoulsy + would not advance to the next line when the cursor was
on the first character of a line. This should fix the +- idiom, i.e.
:+-x/foo/c/bar/
performs a substitution on the current line.
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This sould fix a clang analyzer warning and make the code more robust.
The problem could actually not occur in practice because the X and Y
commands always have the internal cmd_select as intermediate node in
the execution tree.
In general the multiple file support will need more design work.
Fix #551
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As currently implemented this will only work for operations which are
individually fast, but repeated many times (e.g. `1000000itext<Escape>`).
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The current implementation will also reject consecutive hyphens.
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https://mentors.debian.net/package/vis
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It is no longer possible to change the used syntax by assigning to the
`win.syntax = name` field, instead the function win:set_syntax(name)`
should be called.
The distinction between filetype and syntax lexer to use should probably
be clarified/cleaned up at some point.
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It does not really fit into the style of the rest of
the command language. Eventually we should be able
to express this kind of thing using a looping construct
based on the `X` and `Y` commands.
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Fix #505
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$ ./configure --disable-help
shrinks the binary by about 20K on a x86_64 system.
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Take a snapshot before and after processing the transcript.
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Strictly speaking this is a compiler bug:
https://llvm.org/bugs/show_bug.cgi?id=22062
The C11 standard section 6.4.4.3 says:
"An identifier declared as an enumeration constant has type int."
and 6.7.2.2:
"Each enumerated type shall be compatible with char, a signed
integer type, or an unsigned integer type. The choice of type is
implementation-defined, but shall be capable of representing
the values of all the members of the enumeration."
So while `err` can store a value larger than that of any enumeration
member, it could also be of signed type, resulting in a warning about
comparing integers of different signs.
Converting it to size_t before the range check and array indexing,
should fix both warnings.
Fix #478
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In an ideal world this should never happen. However,
if for some reason all cursors/selections become
invalid, default to an empty range. This at least
allows to terminate the editor gracefully whereas
before the command would silently be ignored.
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The argument needs to be a valid regular expression. It currently
clobbers the last used search term and hence allows repeated searches
using `n` and `N` respectively.
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This esentially performs an insertion sort. Rather than iterating the list
from the start every time keep track of the latest change and optmize for
monotonically increasing file positions.
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Terminal.app sets $TERM=xterm-256color and ships a corresponding
terminfo description advocating that it is capable of color changes
to the 256 color palette when in fact it can not.
We introduce a new boolean option "change-256colors" which is
true by default but can be used to disable color changes. It is
automatically set if Terminal.app is detected using $TERM_PROGRAM.
This should fix display artifacts as described in #456.
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This should fix segfaults for commands like `:{ q i/foo/ }` or
`:x/pattern/ q` where a command invalidates the current window.
The checks are a bit too strict, for example a destructive command at the
end of a non-nested group would be fine, but is currently also rejected.
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The manual was already mentioning that.
Fix #468
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When encountering a parsing error within a { } command group do not
set the error cause to unmatched brace.
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They are roughly equivalent, instead of
s/pattern/replacement/
to replace the first occurrence of pattern you can specify an address
to the change command:
/pattern/ c/replacement/
the only difference being that the first command is restricted to the
current line.
-+x/pattern/ c/replacement/
also restrictes matches to the current line, but performs the substitution
on the whole line not only the first match. Currently it is not possible
to only replace the n-th match as `s2/pattern/replacement/` would do
in sam(1).
A possible alternative syntax generalizing this concepts and applying
it to the `x` and `g` commands will be investigated in the future.
Global substitution as in
%s/pattern/replacement/g
can be performed using
x/pattern/ c/replacement/
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Before the i, a, c commands would fail when given an empty text //.
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