Efficiently handles XML files up to ~500MB–900MB without performance degradation. Dual View Editing:

| License Tier | Seats | Core Benefits | Typical Price (USD) | |--------------|-------|---------------|---------------------| | | 1–5 | Full IDE, XSLT 3.0 engine, basic plug‑in support | $349 per seat | | Professional | 1–20 | All Standard features + Collaboration mode, advanced plug‑in API, priority support | $599 per seat | | Enterprise | Unlimited | Unlimited seats, on‑premises license server, dedicated account manager, custom SLA | Contact sales | | Academic/Educational | Up to 30 students | Same as Standard, limited to non‑commercial use, free with proof of enrollment | Free (registration required) |

This wasn't a password prompt. It was a programming interface. Elias realized he wasn't supposed to have the key; he was supposed to write it. The file wasn't a lock; it was a template.

. While older versions (like 1.1) were available as freeware, XML Marker 2.2

As he stepped out of the elevator, his phone buzzed. It was his supervisor.