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Date: Thu, 29 Jun 2017 11:31:45 -0500 (EST)
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From: schwarze@mandoc.bsd.lv
To: source@mandoc.bsd.lv
Subject: mandoc: Skip whitespace at the beginning of eqn(7) nodes, in particular 
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Log Message:
-----------
Skip whitespace at the beginning of eqn(7) nodes,
in particular ~ and ^ that misrendered;
found by bentley@ in glCopyTexSubImage1D(3); also affected
glAccum(3), glClipPlane(3), glDrawPixels(3), glEvalMesh(3), and others.

Modified Files:
--------------
    mandoc:
        eqn.c

Revision Data
-------------
Index: eqn.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/eqn.c,v
retrieving revision 1.71
retrieving revision 1.72
diff -Leqn.c -Leqn.c -u -p -r1.71 -r1.72
--- eqn.c
+++ eqn.c
@@ -683,7 +683,7 @@ eqn_parse(struct eqn_node *ep, struct eq
 	if (ep->data == NULL)
 		return ROFF_IGN;
 
-	ep->start = ep->end = ep->data;
+	ep->start = ep->end = ep->data + strspn(ep->data, " ^~");
 
 next_tok:
 	tok = eqn_next(ep, MODE_TOK);
--
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