The "abc" part of the filename might indicate that this font file contains a set of basic characters, such as letters, digits, and punctuation marks, commonly used in the Tai language.
The naming convention “Tai Font Uv-abc” provides clues about its intended use: Tai Font Uv-abc.shx
A: This indicates a code page mismatch . The drawing’s original text encoding (e.g., Shift-JIS for Japanese) does not match your system’s current locale. Use the _DWGUNITS command and set the correct drawing units and encoding. The "abc" part of the filename might indicate
Uv-abc.shx font is a specialized "shape font" (SHX) primarily used in AutoCAD and other CAD-based software to display Vietnamese text correctly such as letters