I am trying to run the example code:
@startuml
!$ab = "foo1"
!$cd = "foo2"
!global $ef = $ab + $cd
Alice -> Bob : $ab
Alice -> Bob : $cd
Alice -> Bob : $ef
@enduml
but I get a syntax error for all of line 2.
Version Info:
PlantUML version 1.2018.13 (Mon Nov 26 12:11:51 EST 2018)
(GPL source distribution)
Java Runtime: OpenJDK Runtime Environment
JVM: OpenJDK 64-Bit Server VM
Java Version: 11.0.6+10-post-Debian-2
Operating System: Linux
OS Version: 5.4.0-4-amd64
Default Encoding: UTF-8
Language: en
Country: US
Machine: <hidden>
PLANTUML_LIMIT_SIZE: 4096
Processors: 8
Max Memory: 2,067,791,872
Total Memory: 132,120,576
Free Memory: 124,598,680
Used Memory: 7,521,896
Thread Active Count: 1
The environment variable GRAPHVIZ_DOT has not been set
Dot executable is /usr/bin/dot
Dot version: dot - graphviz version 2.43.0 (0)
Installation seems OK. File generation OK