Package: groff-base
Version: 1.23.0-3
Version: 1.22.4-10
Severity: normal

Dear Maintainer,

I'm trying to assemble some equations.
MathML is convenient for high-res renders and embedding.

One such is:
  w = left floor l 39 over 40 right floor

When rendering images with eqn2graph and groff -Thtml (both attached),
this yields the expected ⌊ and ⌋ wrapping.

However, when rendering with eqn -TMathML and groff -Txhtml (likewise),
this yields "w = floor l³⁹⁄₄₉ floor". Also \[lf] and \[lf] are "unknown
eqn/troff special char [rl]f", but they obviously ought to be given that
they are understood by groff.

Best,
наб

-- System Information:
Debian Release: 12.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 
'stable-debug'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.1.0-9-amd64 (SMP w/24 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_FIRMWARE_WORKAROUND, 
TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages groff-base depends on:
ii  libc6         2.36-9+deb12u3
ii  libgcc-s1     12.2.0-14
ii  libstdc++6    12.2.0-14
ii  libuchardet0  0.0.7-1

groff-base recommends no packages.

Versions of packages groff-base suggests:
ii  groff  1.22.4-10

-- no debconf information
.if !dEQ .ds EQ .if !dEN .ds EN .EQ w=unknown eqn/troff special char lfunknown eqn/troff special char rffloorl3940floor .EN

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