LaTeX Font Warningを解消したい

[shotakaha]

• make latexpdfすると次のwarningが多数表示される

LaTeX Font Warning: Font shape `OML/cmm/m/it' in size <5.59996> not available
(Font)              size <6> substituted on input line 114.


LaTeX Font Warning: Font shape `OML/cmm/m/it' in size <4> not available
(Font)              size <5> substituted on input line 114.


LaTeX Font Warning: Font shape `OMS/cmsy/m/n' in size <5.59996> not available
(Font)              size <6> substituted on input line 114.


LaTeX Font Warning: Font shape `OMS/cmsy/m/n' in size <4> not available
(Font)              size <5> substituted on input line 114.


LaTeX Font Warning: Font shape `OT1/cmr/m/n' in size <5.59996> not available
(Font)              size <6> substituted on input line 114.


LaTeX Font Warning: Font shape `OT1/cmr/m/n' in size <4> not available
(Font)              size <5> substituted on input line 114.

[1]

LaTeX Font Warning: Font shape `OML/cmm/m/it' in size <3.49998> not available
(Font)              size <5> substituted on input line 198.


LaTeX Font Warning: Font shape `OML/cmm/m/it' in size <2.49998> not available
(Font)              size <5> substituted on input line 198.


LaTeX Font Warning: Font shape `OMS/cmsy/m/n' in size <3.49998> not available
(Font)              size <5> substituted on input line 198.


LaTeX Font Warning: Font shape `OMS/cmsy/m/n' in size <2.49998> not available
(Font)              size <5> substituted on input line 198.


LaTeX Font Warning: Font shape `OT1/cmr/m/n' in size <3.49998> not available
(Font)              size <5> substituted on input line 198.


LaTeX Font Warning: Font shape `OT1/cmr/m/n' in size <2.49998> not available
(Font)              size <5> substituted on input line 198.

• LuaLaTeXを使っているので、文字マッピングはTUエンコードのはず・・・
• OT1やOMSと表示されているので、Sphinxの内部で置き換えられているのかな？

[shotakaha]

• warningが出ている行番号の内容を確認する

$ bat build/latex/kumaroot.tex
...
114 \begin{footnote}[1]\sphinxAtStartFootnote
...
198 \begin{sphinxVerbatim}[commandchars=\\\{\}]

• footnoteとverbatimeでwarningが出ていることが分かった