On 18/06/2011, at 10:26 am, Neil Puttock wrote:
> In your first snippet, each invocation is a new scheme string object,
> thus the pointers are different. The second snippet reuses each
> string, so the equality check succeeds and no graphical object is
> created.
Sneaky.
> Use \markup instead
On 16 June 2011 23:45, Matthew Collett wrote:
> Why is the behaviour different in the two cases,
The Stanza_engraver generates a stanza number if the markup changes.
It keeps a cache of the old stanza markup as a Scheme smob (type SCM
in C/C++) and compares it to the new setting via pointers (th
