From: Emden Gansner <erg@research.att.com>
Date: Wed, 20 Mar 2013 15:00:03 +0000 (-0400)
Subject: Change documentation to reflect current state of DOT parser in cgraph: disallow singl... 
X-Git-Tag: LAST_LIBGRAPH~32^2~203
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=53f1caea307b28db924397bbb5ea46b03d3692c5;p=graphviz

Change documentation to reflect current state of DOT parser in cgraph: disallow single name without value
---

diff --git a/doc/info/lang.html b/doc/info/lang.html
index 439a910a2..3550e1902 100644
--- a/doc/info/lang.html
+++ b/doc/info/lang.html
@@ -65,7 +65,7 @@ Vertical bars | separate alternatives.
 <TR>
   <TD ALIGN=RIGHT><I>a_list</I></TD>
   <TD ALIGN=LEFT>:</TD>
-  <TD ALIGN=LEFT><I>ID</I> [ <B>'='</B> <I>ID</I> ] [ <B>','</B> ] [ <I>a_list</I> ]</TD>
+  <TD ALIGN=LEFT><I>ID</I> <B>'='</B> <I>ID</I> [ <B>','</B> ] [ <I>a_list</I> ]</TD>
 </TR>
 <TR>
   <TD ALIGN=RIGHT><I>edge_stmt</I></TD>
@@ -140,9 +140,6 @@ any embedded comments will be treated as part of the strings.
 An <I>edgeop</I> is <TT>-></TT> in directed graphs and <TT>--</TT> in
 undirected graphs.
 <P>
-An <I>a_list</I> clause of the form <I>ID</I> is equivalent to
-<I>ID</I><TT>=true</TT>.
-<P>
 The language supports C++-style comments: <TT>/* */</TT> and <TT>//</TT>.
 In addition, a line beginning with a '#' character is considered a line
 output from a C preprocessor (e.g., #  34 to indicate line 34 ) and discarded.
diff --git a/doc/infosrc/grammar b/doc/infosrc/grammar
index abdecbdf5..d3d65b145 100644
--- a/doc/infosrc/grammar
+++ b/doc/infosrc/grammar
@@ -3,7 +3,7 @@ stmt_list     = [ stmt [ ';' ]  [ stmt_list ] ]
 stmt          =  node_stmt |  edge_stmt |  attr_stmt | ID '=' ID |  subgraph
 attr_stmt     =  ( T_graph | T_node | T_edge )  attr_list
 attr_list     =  '[' [ a_list ] ']' [ attr_list ]
-a_list        =  ID [ '=' ID ] [ ',' ] [ a_list ]
+a_list        =  ID '=' ID [ ',' ] [ a_list ]
 edge_stmt     =  ( node_id | subgraph ) edgeRHS [ attr_list ]
 edgeRHS       =  edgeop ( node_id | subgraph ) [ edgeRHS ]
 node_stmt     =  node_id [ attr_list ]
diff --git a/doc/infosrc/lang.2 b/doc/infosrc/lang.2
index 37cd37670..6b01539b2 100644
--- a/doc/infosrc/lang.2
+++ b/doc/infosrc/lang.2
@@ -31,9 +31,6 @@ any embedded comments will be treated as part of the strings.
 An <I>edgeop</I> is <TT>-></TT> in directed graphs and <TT>--</TT> in
 undirected graphs.
 <P>
-An <I>a_list</I> clause of the form <I>ID</I> is equivalent to
-<I>ID</I><TT>=true</TT>.
-<P>
 The language supports C++-style comments: <TT>/* */</TT> and <TT>//</TT>.
 In addition, a line beginning with a '#' character is considered a line
 output from a C preprocessor (e.g., #  34 to indicate line 34 ) and discarded.