Extending Build-markup with repeat refinement

Question

I tried to add a repeat refinement to build-markup function using the previous answer: How to bind to foreach context?

build-markup: func [
    {Return marku         


        

Answer 1

For:

words: [num]
vals: [1 2 3]

When you use foreach :words, you are creating a new context for which the repeat block will be bound to. The word! contents of :words are not actually bound to this new context. The values you are getting suggest 'a is globally set to 1 and 'b is set to [a b]. To illustrate:

>> num: 9                 
== 9
>> words: [num]           
== [num]
>> foreach :words vals [
[    probe get 'num         
[    probe get first :words 
[    ]                      
1
9
2
9
3
9
== 9

To work around this, try to picture that for each iteration of the loop, the block that is executed is 'bind-ed to the loop context. You can preempt the bind like this:

foreach :words vals probe compose/only [
    probe get first (words)
]

(probe left in for illustrative purposes)