Failure to parse text properly: "Group definition failed"

[petermott]

When presented with the below text marquee wrongly identiifes "h2" and reports errors.

txt = "Call:
lm(formula = mpg ~ cyl, data = mtcars)

Residuals:
    Min      1Q  Median      3Q     Max 
-4.9814 -2.1185  0.2217  1.0717  7.5186 

Coefficients:
            Estimate Std. Error t value       Pr(>|t|)    
(Intercept)  37.8846     2.0738   18.27        < 2e-16 ***
cyl          -2.8758     0.3224   -8.92 0.000000000611 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 3.206 on 30 degrees of freedom
Multiple R-squared:  0.7262,	Adjusted R-squared:  0.7171 
F-statistic: 79.56 on 1 and 30 DF,  p-value: 0.0000000006113"

grob = marquee_grob( txt)
showGrob(grob)

PS Windows with Cairo graphics

[petermott]

My bad. The problem is with support for markdown. Remove "---" and it works fine apart for interpreting some of the * as bold or italic instructions. But the best way to get round this is to declare the whole thing a "fenced code block" which means putting it in triple ` backquotes