**BUG**
Concise problem statement:
From 1.7.1 to 1.7.3 character substitution is broken.
For example:
`'passive'`
is now shown as:
`'passive'`
and:
`Ctrl+R > DC op pnt > Run`
is now shown as:
`Ctrl+R > DC op pnt > Run`
Url:
https://easyeda.com/file_view_All-simulation-schematics-MUST-have-a-ground-02_4WUSQNLJ5.htm
Browser: Chrome, Firefox (on W7 64bit)