---input---
#!/usr/bin/mscgen -Tpng
#
# testinput2.msc : Sample msc input file with URLs
#
# This file is PUBLIC DOMAIN and may be freely reproduced,  distributed,
# transmitted, used, modified, built upon, or otherwise exploited by
# anyone for any purpose, commercial or non-commercial, and in any way,
# including by methods that have not yet been invented or conceived.
#
# This file is provided "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
# EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#

# Note: This is from mscgen-0.20

msc {

A,B;

--- [label="Start", ID="1"];

A->B [label="signal"];
A<-B [label="signal"];


A=>B [label="method"];
A<=B [label="method"];

A>>B [label="return"];
A<<B [label="return"];

A=>>B [label="call-back"];
A<<=B [label="call-back", URL="www.google.com"];

A x- B [label="loss"];
A -x B [label="loss"];

--- [label="Left arcs", ID="2", IDURL="www.google.co.uk"];

A->A [label="signal"];
A<-A [label="signal"];


A=>A [label="method"];
A<=A [label="method"];

A>>A [label="return"];
A<<A [label="return"];

A=>>A [label="call-back"];
A<<=A [label="call-back", URL="www.google.com", ID="3"];

A x- A [label="loss"];
A -x A [label="loss"];

--- [label="Right arcs"];

B->B [label="signal"];
B<-B [label="signal"];


B=>B [label="method"];
B<=B [label="method"];

B>>B [label="return"];
B<<B [label="return"];

B=>>B [label="call-back", ID="4"];
B<<=B [label="call-back", URL="www.google.com"];

B x- B [label="loss"];
B -x B [label="loss"];

--- [label="End of arcs", URL="www.google.com"];


... [label="Some time passes", URL="www.google.com"];
}

---tokens---
'#!/usr/bin/mscgen -Tpng\n' Comment.Single

'#\n'         Comment.Single

'# testinput2.msc : Sample msc input file with URLs\n' Comment.Single

'#\n'         Comment.Single

'# This file is PUBLIC DOMAIN and may be freely reproduced,  distributed,\n' Comment.Single

'# transmitted, used, modified, built upon, or otherwise exploited by\n' Comment.Single

'# anyone for any purpose, commercial or non-commercial, and in any way,\n' Comment.Single

'# including by methods that have not yet been invented or conceived.\n' Comment.Single

'#\n'         Comment.Single

'# This file is provided "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER\n' Comment.Single

'# EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n' Comment.Single

'# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.\n' Comment.Single

'#\n'         Comment.Single

'\n'          Text.Whitespace

'# Note: This is from mscgen-0.20\n' Comment.Single

'\n'          Text.Whitespace

'msc'         Keyword.Type
' '           Text.Whitespace
'{'           Punctuation
'\n\n'        Text.Whitespace

'A'           Name.Variable
','           Punctuation
'B'           Name.Variable
';'           Punctuation
'\n\n'        Text.Whitespace

'---'         Keyword
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"Start"'     Literal.String
','           Punctuation
' '           Text.Whitespace
'ID'          Name.Attribute
'='           Operator
'"1"'         Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'A'           Name.Variable
'->'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"signal"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
'<-'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"signal"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n\n\n'      Text.Whitespace

'A'           Name.Variable
'=>'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"method"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
'<='          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"method"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'A'           Name.Variable
'>>'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"return"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
'<<'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"return"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'A'           Name.Variable
'=>>'         Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"call-back"' Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
'<<='         Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"call-back"' Literal.String
','           Punctuation
' '           Text.Whitespace
'URL'         Name.Attribute
'='           Operator
'"www.google.com"' Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'A'           Name.Variable
' '           Text.Whitespace
'x-'          Operator
' '           Text.Whitespace
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"loss"'      Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
' '           Text.Whitespace
'-x'          Operator
' '           Text.Whitespace
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"loss"'      Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'---'         Keyword
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"Left arcs"' Literal.String
','           Punctuation
' '           Text.Whitespace
'ID'          Name.Attribute
'='           Operator
'"2"'         Literal.String
','           Punctuation
' '           Text.Whitespace
'IDURL'       Name.Attribute
'='           Operator
'"www.google.co.uk"' Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'A'           Name.Variable
'->'          Operator
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"signal"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
'<-'          Operator
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"signal"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n\n\n'      Text.Whitespace

'A'           Name.Variable
'=>'          Operator
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"method"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
'<='          Operator
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"method"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'A'           Name.Variable
'>>'          Operator
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"return"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
'<<'          Operator
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"return"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'A'           Name.Variable
'=>>'         Operator
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"call-back"' Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
'<<='         Operator
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"call-back"' Literal.String
','           Punctuation
' '           Text.Whitespace
'URL'         Name.Attribute
'='           Operator
'"www.google.com"' Literal.String
','           Punctuation
' '           Text.Whitespace
'ID'          Name.Attribute
'='           Operator
'"3"'         Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'A'           Name.Variable
' '           Text.Whitespace
'x-'          Operator
' '           Text.Whitespace
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"loss"'      Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'A'           Name.Variable
' '           Text.Whitespace
'-x'          Operator
' '           Text.Whitespace
'A'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"loss"'      Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'---'         Keyword
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"Right arcs"' Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'B'           Name.Variable
'->'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"signal"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'B'           Name.Variable
'<-'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"signal"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n\n\n'      Text.Whitespace

'B'           Name.Variable
'=>'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"method"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'B'           Name.Variable
'<='          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"method"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'B'           Name.Variable
'>>'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"return"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'B'           Name.Variable
'<<'          Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"return"'    Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'B'           Name.Variable
'=>>'         Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"call-back"' Literal.String
','           Punctuation
' '           Text.Whitespace
'ID'          Name.Attribute
'='           Operator
'"4"'         Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'B'           Name.Variable
'<<='         Operator
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"call-back"' Literal.String
','           Punctuation
' '           Text.Whitespace
'URL'         Name.Attribute
'='           Operator
'"www.google.com"' Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'B'           Name.Variable
' '           Text.Whitespace
'x-'          Operator
' '           Text.Whitespace
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"loss"'      Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'B'           Name.Variable
' '           Text.Whitespace
'-x'          Operator
' '           Text.Whitespace
'B'           Name.Variable
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"loss"'      Literal.String
']'           Punctuation
';'           Punctuation
'\n\n'        Text.Whitespace

'---'         Keyword
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"End of arcs"' Literal.String
','           Punctuation
' '           Text.Whitespace
'URL'         Name.Attribute
'='           Operator
'"www.google.com"' Literal.String
']'           Punctuation
';'           Punctuation
'\n\n\n'      Text.Whitespace

'...'         Keyword
' '           Text.Whitespace
'['           Punctuation
'label'       Name.Attribute
'='           Operator
'"Some time passes"' Literal.String
','           Punctuation
' '           Text.Whitespace
'URL'         Name.Attribute
'='           Operator
'"www.google.com"' Literal.String
']'           Punctuation
';'           Punctuation
'\n'          Text.Whitespace

'}'           Punctuation
'\n'          Text.Whitespace