Incorrect tags recognition on HTML filter

[なかむらもんど]

Steps to reproduce

Read following HTML fragment by OmegaT.

<a href=/><span>text</span></a>

Expected results

(As OmegaT tags)

<g1><g2>test</g2></g1>

Actual results

<x1/><g2>text</g2><e3/>

Environment

• okapiFiltersForOmegaT-1.5-m36
• OmegaT 4.1.5_3
• Windows 10 1803 x64