math(EXPR): Add support for unary + and - expressions

Closes: #8996
This commit is contained in:
Brad King
2016-10-14 15:28:51 -04:00
parent 834f52a6f4
commit 2810e56182
4 changed files with 105 additions and 60 deletions
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math-EXPR-unary
---------------
* The :command:`math(EXPR)` command gained support for unary
``+`` and ``-`` expressions.