Golddirio

Popover error message

1

**What is the purpose of this pull request?** - [ ] Documentation update - [x] Bug fix - [x] Feature addition or enhancement - [ ] Code maintenance - [...

Make beg_end math delimitor default

1

**What is the purpose of this pull request?** - [ ] Documentation update - [ ] Bug fix - [x] Feature addition or enhancement - [ ] Code maintenance -...