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[TeXmacs <address@hidden>]

Hi,

There are several similar shortcuts that are handy for educational purposes:

  - - - -   -> horizontal rule
  . . . .   -> horizontal dots
  . . tab   -> underdotted text
  _ _ tab   -> underlined text
  / / tab   -> deleted text

Etc.

Best wishes, --Joris


On Fri, Feb 12, 2021 at 08:36:59PM +0100, Giovanni Piredda wrote:
> I realized that there is an important difference: the "-" four times
> (which is the hrule macro) draws the line till the margin (minus 5
> mm), while the assignment I wrote (which is perhaps better written
> as a macro: 
> <assign|minus-sep|<macro|<with|line-width|1.25ln|<line|<point|0par|0.50ex>|<point|1par|0.50ex>>>>>)
> draws a line of 1par length regardless from where the line begins
> (so it can go beyond the margin).
> 
> So the hrule macro, the one invoked pressing four times the "-" key,
> may be better. It can also be adapted, e.g.
> <assign|red-hrule|<macro|<with|color|red|<hrule>>>>, but probably to
> change line style and dashing one needs to change the hrule itself
> (which is in turn based on the datom macro).
> 
> G.
> 
> 
> 
> On 12.02.21 18:51, Ibrahima Fall wrote:
> >Yes Giovanni, It's quite the same except this is just a kind of shortcut.
> >
> >best
> >
> >Le ven. 12 févr. 2021 à 14:59, Giovanni Piredda
> ><address@hidden <mailto:address@hidden>> a écrit :
> >
> >    This shortcut is very nice.
> >
> >    I figured out that it is either the same or almost the same as
> >
> >    
> > <assign|minus-sep|<with|line-width|1.5ln|<line|<point|0par|0.5ex>|<point|1par|0.5ex>>>>
> >
> >    On 12.02.21 15:32, Ibrahima Fall wrote:
> >    > Hi;
> >    > Just type the "-" (minus sign or hyphen) four times.
> >    > "----"
> >    >
> >    > best regards
> >    >
> >    > Le ven. 12 févr. 2021 à 14:02, Giovanni Piredda
> >    <address@hidden <mailto:address@hidden>
> >    > <mailto:address@hidden <mailto:address@hidden>>> a écrit :
> >    >
> >    >     Waiting that someone else gives a better answer, you can use
> >    this
> >    >     function
> >    >
> >    >     (lambda ()(stree->tree '(line (point "0par" "0par") (point
> >    "1par"
> >    >     "0par"))))
> >    >
> >    >     which you can conveniently put in an extern macro and assign
> >    to a
> >    >     "separator" macro:
> >    >
> >    >     <assign|separator|<extern|(lambda ()(stree-\<gtr\>tree '(line
> >    >     (point "0par"
> >    >     "0par") (point "1par" "0par"))))>>
> >    >
> >    >     G.
> >    >
> >    >
> >    >     On 12.02.21 14:53, Frank wrote:
> >    >     > Dear all,
> >    >     >
> >    >     > I wonder how to insert an horizontal separator. For
> >    example, when I
> >    >     > prepare a set of problems, I want to put a separator so
> >    that the
> >    >     > exercises in each group are closely related.
> >    >     >
> >    >     > Best,
> >    >     > Frank
> >    >
> >