[mwo-dk]

Code in about 200 languages highlighted in both apps, and a built-in viewer on F3 in the terminal app.

• One language table in coxswain-core (code::language): by name, extension, what the file says where two languages share an extension (.mod Modula-2 vs tracker music, .pro Prolog vs Qt, .v Coq vs Verilog, .s ARM/MIPS/x86, .inc, .m, .pl, .pp, .fs, .bas, .cl), then the #! line. Old languages included: COBOL, Fortran, Pascal, BASIC, assembly, VHDL, Verilog, batch.
• Desktop app: every highlight.js language, loaded only when a file needs it (a chunk each, in the highlighting worker); COBOL, Zig, Svelte, Terraform/HCL and Solidity grammars added from npm (Apache-2.0/MIT). REXX and PL/I skipped (GPL-3.0), Modula-2 shown with Pascal's grammar, no grammar exists for Clipper/dBase. Guessing stays among the common set.
• Terminal app: F3 opens a built-in full-screen viewer: highlighted in the theme's colours (one token→slot table shared with the desktop's style sheet), line numbers, wrap, search (/ or F7, n/N), go to line, p hands the file to $PAGER, F4 edits. Large files read lazily (a 50 MB log opens in ~1 ms; lines capped at 1 MB, 20 M lines); End follows a growing or rotated log; pipes and devices refused on the opened handle (O_NONBLOCK, no path re-open). syntect (fancy-regex, pure Rust) + two-face grammars; viewer in config.toml still names another program. RUSTSEC-2025-0141 (bincode, unmaintained, syntect's own grammar dumps) ignored with a reason; licence notices for the grammars added to tools/bom.
• Encodings: UTF-8, UTF-16 with its BOM, else Windows-1252, in both apps.
• Search store redo: only files with the newly known code endings (.cob, .for, .bat, .mod, .pro, .inc …) are read again, once, under a reader key of their own (readers.code, PR Make PDF searchable (Alt+P), previews of Typst, PostScript, XPS, D2 and more diagram kinds, old office files and clip art through sealed containers; PostScript and some old office kinds read again once for search #255's mechanism); the readers tag older apps read is unchanged, so they redo nothing.
• Review fixes included (store tag ping-pong, huge-line and unbounded index memory, FIFO hang/TOCTOU, Windows-1252, encoding label, Edit returning to BOM/provenance, growing logs, Intel-syntax .s, one nearly_utf8, glob without the common grammars, bounded auto-detection).
• Docs: text-and-code (Languages), view-and-edit (The built-in viewer), every "your pager" mention, FAQ, F1 texts in all languages; pictures: terminal viewer, COBOL preview, index.bin in the viewer.