[pull] main from python:main#1191
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Character class escapes (``\d``, ``\D``, ``\s``, ``\S``, ``\w`` and ``\W``) that occur outside a character set are now compiled directly to a single CATEGORY opcode instead of being wrapped in an IN block. This removes the IN wrapper (three code words) and an indirect charset() call, and makes such an escape a simple repeatable unit so that, for example, ``\d+`` uses the REPEAT_ONE fast path; a CATEGORY case is added to SRE(count). The transformation preserves behaviour exactly. For category-heavy patterns the compiled byte code is about 20% smaller and matching is up to ~2x faster, with no effect on patterns that do not use bare category escapes. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
…GH-151758) The character-cell window methods now accept a full character cell -- a spacing character optionally followed by combining characters (up to CCHARW_MAX wide characters) -- in addition to a single int or byte character. This affects addch(), bkgd(), bkgdset(), border(), box(), echochar(), hline(), insch() and vline(); they dispatch to the ncursesw wide-character functions (wadd_wch(), wbkgrnd(), wborder_set(), wecho_wchar(), whline_set(), wins_wch(), wvline_set(), ...) when given a string. border() and box() cannot mix integer or byte characters with wide string characters in a single call. A cell is one spacing character optionally followed by combining characters, so an extra spacing or control character (such as "ab") is rejected with ValueError rather than being silently truncated by setcchar(). Also add the wide-character read methods get_wstr() and in_wstr(), the counterparts of getstr() and instr() that return a str rather than a bytes object, and the module functions erasewchar(), killwchar() and wunctrl(), the wide-character counterparts of erasechar(), killchar() and unctrl(). All of this is available only when built against the wide-character ncursesw library. Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
….x (GH-151980) Tcl 8.x crashes when title-casing a non-BMP character during Tk initialization, so such a className is now rejected with a ValueError. Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
Add docstrings for the curses.window, curses.error, curses.panel.panel and curses.panel.error classes. Document the panel class and its error exception in curses.panel.rst, using the real lowercase panel name. Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
… widgets (GH-152008) Spinbox, Scale and ttk.Spinbox format floating-point values according to the LC_NUMERIC locale, but such values are always parsed with a period, so a comma-decimal locale breaks DoubleVar.get(). Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
…opcode (GH-152057) A character set containing exactly one category, e.g. [\d] or [^\s], now compiles to a single CATEGORY opcode (like \d or \S) instead of an IN block. The negated form maps to the complementary category. This speeds up matching and reduces the size of the compiled byte code. Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
…52062) wcwidth() only classifies combining characters in a locale that can encode them, so guard the wide-character test operations on encodability. Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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