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…rsorTouch#495) Electron/Chromium apps can report one UI Automation word range per glyph, so CJK text turns into hundreds of single-character Word nodes that dominate Snapshot output. With WINDOWS_MCP_MERGE_WORD_NODES enabled, adjacent words on the same text line are merged into one node whose box covers the run (no spaces between CJK glyphs, one space between Latin words). Default behaviour is unchanged.
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Summary
With
WINDOWS_MCP_MERGE_WORD_NODESenabled, adjacent Word nodes on the same text line are merged into one node covering the run (no spaces between CJK glyphs, one space between Latin words). Default behaviour is unchanged.Motivation
Electron/Chromium apps can report one UI Automation word range per glyph, so CJK text becomes hundreds of single-character nodes that dominate Snapshot output.
Fixes #495
Testing
Testing: Linux run with Windows-only modules stubbed (pytest, Python 3.14). tests/test_tree_word_runs.py: 13 passed. No new failures or collection errors compared with upstream main 7fd39b4 (on main the Linux harness has 6 known failures and 75 modules that cannot be collected without Windows). The Windows test suite passes on a real Windows 11 desktop; not yet tried live against an Electron app, which is the main target of the merge.