Hi Mohammad

Thanks that’s great.

I think the button is actually a red herring, and you can see the same 
behaviour with this simplified version:

\define utility(a, b) This is //$a$//  and ''$b$''.

\define test(tidName, v1, v2)
<$wikify name="newText" 
text="""<$macrocall $name="utility"
a=<<__v1__>> b=<<__v2__>>
/>""">
<$text text=<<newText>> />
</$wikify>
\end

<<test "myTiddler" italic bold>>

You don’t actually need the wikify widget here; the trick is to use macro 
parameter textual substitution:

\define utility(a, b) This is //$a$//  and ''$b$''.

\define test(a,b)
<$set name="newText" value=<<utility a:"""$a$""" b:"""$b$""">>>
<$text text=<<newText>> />
</$set>
\end

<<test "myTiddler" italic bold>>

Using textual substitution isn’t ideal because of the issues with quoting (e.g. 
the example above will fail if the parameter values started with three double 
quotes).

An alternate solution that might be useful would be an alternate mode to the 
<$macrocall> widget whereby it makes the result of calling the macro available 
as a variable, instead of directly rendering it.

Best wishes

Jeremy


> On 21 Feb 2019, at 14:37, Mohammad <[email protected]> wrote:
> 
> Hi Jeremy,
> 
> I tried to reproduce a simple example though may seem meaningless.
> 
> 
> \define utility(a, b) This is //$a$//  and ''$b$''.
> 
> \define test(tidName, v1, v2)
> <$wikify name="newText" 
> text="""<$macrocall $name="utility"
> a=<<__v1__>> b=<<__v2__>>
> />""">
> <$action-setfield $tiddler="""$tidName$""" $field="text" $value=<<newText>> />
> </$wikify>
> \end
> 
> <$button>Do it
> <<test "myTiddler" italic bold>>
> </$button>
> 
> 
> What I expect is to see the myTiddley text field as
> 
> This is //italic//  and ''bold''.
> 
> 
> 
> But I see this
> 
> This is italic and bold.
> 
> 
> --Mohammad
> 
> PS: The real story is I am developing a code to search and replace a string 
> in a tiddler text field.
> 
> 
> 
> 
> 
> On Thursday, February 21, 2019 at 5:43:34 PM UTC+3:30, Jeremy Ruston wrote:
> Hi Mohammad
> 
> Please could you post a complete example?
> 
> Many thanks,
> 
> Jeremy
> 
>> On 21 Feb 2019, at 14:06, Mohammad <[email protected] <>> wrote:
>> 
>> 
>> One way to store the result of a macro has some parameters is to store it in 
>> wikified variable as below
>> 
>> 
>> Example
>> See the below code extracted from a longer code. This works correctly. It 
>> calls utility, and save the results in newText and then the action-setfield 
>> passes it to a tiddler as its text field.
>> 
>> 
>> <$wikify name="newText"  text="""<$macrocall $name="utility" par1=<<val1>> 
>> par2=<<val2>> />""" >
>> <$action-setfield $tiddler="""$tidName$""" $field="text" $value=<<newText>> 
>> />
>> 
>> </$wikify>
>> 
>> 
>> 
>> Now, assume the result of utility macro is something like below
>> 
>> This is //italic// and this is {{!!caption}}
>> 
>> 
>> What happens? $Wikify save the wikified result as expected, but I wish to 
>> store in tidName text filed the raw non-wikified result, I mean what exactly 
>> utility  macro returns.
>> 
>> So, the question is how can I store the result of utility macro in 
>> non-wikified (raw form) and pass it to the text filed of some tiddler?
>> 
>> 
>> --Mohammad
>> 
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