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charset="UTF-8" I found if remove first '\n' from the *str,then run emacs will not hang.* *May be it has nothing to do with font-lock, just str parsing ?* (let ((str "#define SLOGE(...)\n ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG,\n change to (let ((str "#define SLOGE(...) ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG,\n --000000000000cccdce057d6ef10f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I found if remove first '\n' from the str,= then run emacs will not hang.
May be it has nothing to do = with font-lock, just str parsing ?

<=
span style=3D"color:rgb(0,0,0)">(let ((str "#define SLOGE(...)<=
font color=3D"#ff0000">\n
((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, LOG_TAG,\n=
change to=C2=A0
(let ((str "#defi= ne SLOGE(...) ((void)__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERR= OR, LOG_TAG,\n

--000000000000cccdce057d6ef10f--