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libpgf: pretty printing for expressions with metavaraibles

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kr.angelov
2012-02-27 13:50:35 +00:00
parent 7145436a0d
commit 686fcca9a4
1 changed files with 2 additions and 0 deletions
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2
src/runtime/c/pgf/expr.c
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@@ -350,6 +350,8 @@ pgf_print_expr(PgfExpr expr, int prec,
break; break;
} }
case PGF_EXPR_META: case PGF_EXPR_META:
gu_putc('?', wtr, err);
break;
case PGF_EXPR_VAR: case PGF_EXPR_VAR:
case PGF_EXPR_TYPED: case PGF_EXPR_TYPED:
case PGF_EXPR_IMPL_ARG: case PGF_EXPR_IMPL_ARG: