[elpa] externals/show-font updated (b17dc63e66 -> f7cad49dcb)

[ELPA Syncer]

elpasync pushed a change to branch externals/show-font.

      from  b17dc63e66 Tweak how we check that show-font-character-sample is a 
string
       new  3473636f65 Clarify that show-font-character-sample is used by 
show-font-select-preview
       new  f7cad49dcb Add show-font-sentences-sample to showcase common 
patterns and letter combinations


Summary of changes:
 README.org   |  9 ++++++++-
 show-font.el | 33 ++++++++++++++++++++++++++++++---
 2 files changed, 38 insertions(+), 4 deletions(-)